mirror of https://github.com/tLDP/LDP
672 lines
18 KiB
Bash
672 lines
18 KiB
Bash
#===============================================================
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#
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# PERSONAL $HOME/.bashrc FILE for bash-2.05a (or later)
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#
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# Last modified: Tue Apr 15 20:32:34 CEST 2003
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#
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# This file is read (normally) by interactive shells only.
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# Here is the place to define your aliases, functions and
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# other interactive features like your prompt.
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#
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# This file was designed (originally) for Solaris but based
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# on Redhat's default .bashrc file
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# --> Modified for Linux.
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# The majority of the code you'll find here is based on code found
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# on Usenet (or internet).
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# This bashrc file is a bit overcrowded - remember it is just
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# just an example. Tailor it to your needs
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#
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#
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#===============================================================
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# --> Comments added by HOWTO author.
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# --> And then edited again by ER :-)
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#-----------------------------------
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# Source global definitions (if any)
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#-----------------------------------
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if [ -f /etc/bashrc ]; then
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. /etc/bashrc # --> Read /etc/bashrc, if present.
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fi
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#-------------------------------------------------------------
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# Automatic setting of $DISPLAY (if not set already)
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# This works for linux - your mileage may vary....
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# The problem is that different types of terminals give
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# different answers to 'who am i'......
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# I have not found a 'universal' method yet
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#-------------------------------------------------------------
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function get_xserver ()
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{
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case $TERM in
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xterm )
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XSERVER=$(who am i | awk '{print $NF}' | tr -d ')''(' )
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# Ane-Pieter Wieringa suggests the following alternative:
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# I_AM=$(who am i)
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# SERVER=${I_AM#*(}
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# SERVER=${SERVER%*)}
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XSERVER=${XSERVER%%:*}
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;;
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aterm | rxvt)
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# find some code that works here.....
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;;
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esac
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}
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if [ -z ${DISPLAY:=""} ]; then
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get_xserver
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if [[ -z ${XSERVER} || ${XSERVER} == $(hostname) ||
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${XSERVER} == "unix" ]]; then
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DISPLAY=":0.0" # Display on local host
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else
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DISPLAY=${XSERVER}:0.0 # Display on remote host
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fi
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fi
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export DISPLAY
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#---------------
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# Some settings
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#---------------
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ulimit -S -c 0 # Don't want any coredumps
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set -o notify
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set -o noclobber
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set -o ignoreeof
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set -o nounset
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#set -o xtrace # Useful for debuging
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# Enable options:
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shopt -s cdspell
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shopt -s cdable_vars
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shopt -s checkhash
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shopt -s checkwinsize
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shopt -s mailwarn
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shopt -s sourcepath
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shopt -s no_empty_cmd_completion # bash>=2.04 only
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shopt -s cmdhist
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shopt -s histappend histreedit histverify
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shopt -s extglob # Necessary for programmable completion
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# Disable options:
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shopt -u mailwarn
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unset MAILCHECK # I don't want my shell to warn me of incoming mail
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export TIMEFORMAT=$'\nreal %3R\tuser %3U\tsys %3S\tpcpu %P\n'
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export HISTIGNORE="&:bg:fg:ll:h"
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export HOSTFILE=$HOME/.hosts # Put a list of remote hosts in ~/.hosts
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#-----------------------
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# Greeting, motd etc...
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#-----------------------
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# Define some colors first:
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red='\e[0;31m'
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RED='\e[1;31m'
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blue='\e[0;34m'
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BLUE='\e[1;34m'
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cyan='\e[0;36m'
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CYAN='\e[1;36m'
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NC='\e[0m' # No Color
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# --> Nice. Has the same effect as using "ansi.sys" in DOS.
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# Looks best on a black background.....
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echo -e "${CYAN}This is BASH ${RED}${BASH_VERSION%.*}\
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${CYAN} - DISPLAY on ${RED}$DISPLAY${NC}\n"
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date
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if [ -x /usr/games/fortune ]; then
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/usr/games/fortune -s # makes our day a bit more fun.... :-)
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fi
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function _exit() # function to run upon exit of shell
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{
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echo -e "${RED}Hasta la vista, baby${NC}"
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}
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trap _exit EXIT
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#---------------
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# Shell Prompt
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#---------------
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if [[ "${DISPLAY#$HOST}" != ":0.0" && "${DISPLAY}" != ":0" ]]; then
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HILIT=${red} # remote machine: prompt will be partly red
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else
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HILIT=${cyan} # local machine: prompt will be partly cyan
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fi
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# --> Replace instances of \W with \w in prompt functions below
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#+ --> to get display of full path name.
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function fastprompt()
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{
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unset PROMPT_COMMAND
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case $TERM in
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*term | rxvt )
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PS1="${HILIT}[\h]$NC \W > \[\033]0;\${TERM} [\u@\h] \w\007\]" ;;
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linux )
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PS1="${HILIT}[\h]$NC \W > " ;;
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*)
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PS1="[\h] \W > " ;;
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esac
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}
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function powerprompt()
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{
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_powerprompt()
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{
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LOAD=$(uptime|sed -e "s/.*: \([^,]*\).*/\1/" -e "s/ //g")
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}
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PROMPT_COMMAND=_powerprompt
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case $TERM in
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*term | rxvt )
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PS1="${HILIT}[\A \$LOAD]$NC\n[\h \#] \W > \
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\[\033]0;\${TERM} [\u@\h] \w\007\]" ;;
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linux )
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PS1="${HILIT}[\A - \$LOAD]$NC\n[\h \#] \w > " ;;
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* )
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PS1="[\A - \$LOAD]\n[\h \#] \w > " ;;
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esac
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}
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powerprompt # This is the default prompt -- might be slow.
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# If too slow, use fastprompt instead.
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#===============================================================
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#
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# ALIASES AND FUNCTIONS
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#
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# Arguably, some functions defined here are quite big
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# (ie 'lowercase') but my workstation has 512Meg of RAM, so ...
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# If you want to make this file smaller, these functions can
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# be converted into scripts.
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#
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# Many functions were taken (almost) straight from the bash-2.04
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# examples.
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#
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#===============================================================
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#-------------------
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# Personnal Aliases
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#-------------------
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alias rm='rm -i'
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alias cp='cp -i'
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alias mv='mv -i'
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# -> Prevents accidentally clobbering files.
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alias mkdir='mkdir -p'
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alias h='history'
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alias j='jobs -l'
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alias r='rlogin'
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alias which='type -all'
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alias ..='cd ..'
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alias path='echo -e ${PATH//:/\\n}'
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alias print='/usr/bin/lp -o nobanner -d $LPDEST'
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# Assumes LPDEST is defined
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alias pjet='enscript -h -G -fCourier9 -d $LPDEST'
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# Pretty-print using enscript
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alias background='xv -root -quit -max -rmode 5'
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# Put a picture in the background
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alias du='du -kh'
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alias df='df -kTh'
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# The 'ls' family (this assumes you use the GNU ls)
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alias la='ls -Al' # show hidden files
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alias ls='ls -hF --color' # add colors for filetype recognition
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alias lx='ls -lXB' # sort by extension
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alias lk='ls -lSr' # sort by size
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alias lc='ls -lcr' # sort by change time
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alias lu='ls -lur' # sort by access time
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alias lr='ls -lR' # recursive ls
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alias lt='ls -ltr' # sort by date
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alias lm='ls -al |more' # pipe through 'more'
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alias tree='tree -Csu' # nice alternative to 'ls'
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# tailoring 'less'
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alias more='less'
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export PAGER=less
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export LESSCHARSET='latin1'
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export LESSOPEN='|/usr/bin/lesspipe.sh %s 2>&-'
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# Use this if lesspipe.sh exists.
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export LESS='-i -N -w -z-4 -g -e -M -X -F -R -P%t?f%f \
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:stdin .?pb%pb\%:?lbLine %lb:?bbByte %bb:-...'
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# spelling typos - highly personnal :-)
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alias xs='cd'
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alias vf='cd'
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alias moer='more'
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alias moew='more'
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alias kk='ll'
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#----------------
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# a few fun ones
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#----------------
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function xtitle ()
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{
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case "$TERM" in
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*term | rxvt)
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echo -n -e "\033]0;$*\007" ;;
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*)
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;;
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esac
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}
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# aliases...
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alias top='xtitle Processes on $HOST && top'
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alias make='xtitle Making $(basename $PWD) ; make'
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alias ncftp="xtitle ncFTP ; ncftp"
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# .. and functions
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function man ()
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{
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for i ; do
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xtitle The $(basename $1|tr -d .[:digit:]) manual
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command man -F -a "$i"
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done
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}
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function ll()
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{ ls -l "$@"| egrep "^d" ; ls -lXB "$@" 2>&-| egrep -v "^d|total "; }
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function te() # wrapper around xemacs/gnuserv
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{
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if [ "$(gnuclient -batch -eval t 2>&-)" == "t" ]; then
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gnuclient -q "$@";
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else
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( xemacs "$@" &);
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fi
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}
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#-----------------------------------
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# File & strings related functions:
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#-----------------------------------
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# Find a file with a pattern in name:
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function ff()
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{ find . -type f -iname '*'$*'*' -ls ; }
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# Find a file with pattern $1 in name and Execute $2 on it:
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function fe()
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{ find . -type f -iname '*'$1'*' -exec "${2:-file}" {} \; ; }
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# find pattern in a set of filesand highlight them:
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function fstr()
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{
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OPTIND=1
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local case=""
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local usage="fstr: find string in files.
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Usage: fstr [-i] \"pattern\" [\"filename pattern\"] "
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while getopts :it opt
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do
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case "$opt" in
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i) case="-i " ;;
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*) echo "$usage"; return;;
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esac
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done
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shift $(( $OPTIND - 1 ))
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if [ "$#" -lt 1 ]; then
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echo "$usage"
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return;
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fi
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local SMSO=$(tput smso)
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local RMSO=$(tput rmso)
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find . -type f -name "${2:-*}" -print0 |
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xargs -0 grep -sn ${case} "$1" 2>&- | \
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sed "s/$1/${SMSO}\0${RMSO}/gI" | more
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}
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function cuttail() # Cut last n lines in file, 10 by default.
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{
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nlines=${2:-10}
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sed -n -e :a -e "1,${nlines}!{P;N;D;};N;ba" $1
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}
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function lowercase() # move filenames to lowercase
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{
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for file ; do
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filename=${file##*/}
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case "$filename" in
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*/*) dirname==${file%/*} ;;
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*) dirname=.;;
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esac
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nf=$(echo $filename | tr A-Z a-z)
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newname="${dirname}/${nf}"
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if [ "$nf" != "$filename" ]; then
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mv "$file" "$newname"
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echo "lowercase: $file --> $newname"
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else
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echo "lowercase: $file not changed."
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fi
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done
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}
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function swap() # swap 2 filenames around
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{
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local TMPFILE=tmp.$$
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mv "$1" $TMPFILE
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mv "$2" "$1"
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mv $TMPFILE "$2"
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}
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#-----------------------------------
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# Process/system related functions:
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#-----------------------------------
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function my_ps()
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{ ps $@ -u $USER -o pid,%cpu,%mem,bsdtime,command ; }
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function pp()
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{ my_ps f | awk '!/awk/ && $0~var' var=${1:-".*"} ; }
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# This function is roughly the same as 'killall' on linux
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# but has no equivalent (that I know of) on Solaris
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function killps() # kill by process name
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{
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local pid pname sig="-TERM" # default signal
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if [ "$#" -lt 1 ] || [ "$#" -gt 2 ]; then
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echo "Usage: killps [-SIGNAL] pattern"
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return;
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fi
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if [ $# = 2 ]; then sig=$1 ; fi
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for pid in $(my_ps| awk '!/awk/ && $0~pat { print $1 }' pat=${!#} ) ; do
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pname=$(my_ps | awk '$1~var { print $5 }' var=$pid )
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if ask "Kill process $pid <$pname> with signal $sig?"
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then kill $sig $pid
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fi
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done
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}
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function my_ip() # get IP adresses
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{
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MY_IP=$(/sbin/ifconfig ppp0 | awk '/inet/ { print $2 } ' | \
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sed -e s/addr://)
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MY_ISP=$(/sbin/ifconfig ppp0 | awk '/P-t-P/ { print $3 } ' | \
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sed -e s/P-t-P://)
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}
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function ii() # get current host related info
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{
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echo -e "\nYou are logged on ${RED}$HOST"
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echo -e "\nAdditionnal information:$NC " ; uname -a
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echo -e "\n${RED}Users logged on:$NC " ; w -h
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echo -e "\n${RED}Current date :$NC " ; date
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echo -e "\n${RED}Machine stats :$NC " ; uptime
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echo -e "\n${RED}Memory stats :$NC " ; free
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my_ip 2>&- ;
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echo -e "\n${RED}Local IP Address :$NC" ; echo ${MY_IP:-"Not connected"}
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echo -e "\n${RED}ISP Address :$NC" ; echo ${MY_ISP:-"Not connected"}
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echo
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}
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# Misc utilities:
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function repeat() # repeat n times command
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{
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local i max
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max=$1; shift;
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for ((i=1; i <= max ; i++)); do # --> C-like syntax
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eval "$@";
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done
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}
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function ask()
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{
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echo -n "$@" '[y/n] ' ; read ans
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case "$ans" in
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y*|Y*) return 0 ;;
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*) return 1 ;;
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esac
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}
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#=======================================================================
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#
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# PROGRAMMABLE COMPLETION - ONLY SINCE BASH-2.04
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# Most are taken from the bash 2.05 documentation and from Ian McDonalds
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# 'Bash completion' package
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# (http://www.caliban.org/bash/index.shtml#completion)
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# You will in fact need bash-2.05a for some features
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#
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#=======================================================================
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if [ "${BASH_VERSION%.*}" \< "2.05" ]; then
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echo "You will need to upgrade to version 2.05 \
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for programmable completion"
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return
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fi
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shopt -s extglob # necessary
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set +o nounset # otherwise some completions will fail
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complete -A hostname rsh rcp telnet rlogin r ftp ping disk
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complete -A export printenv
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complete -A variable export local readonly unset
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complete -A enabled builtin
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complete -A alias alias unalias
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complete -A function function
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complete -A user su mail finger
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complete -A helptopic help # currently same as builtins
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complete -A shopt shopt
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complete -A stopped -P '%' bg
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complete -A job -P '%' fg jobs disown
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complete -A directory mkdir rmdir
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complete -A directory -o default cd
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# Compression
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complete -f -o default -X '*.+(zip|ZIP)' zip
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complete -f -o default -X '!*.+(zip|ZIP)' unzip
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complete -f -o default -X '*.+(z|Z)' compress
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complete -f -o default -X '!*.+(z|Z)' uncompress
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complete -f -o default -X '*.+(gz|GZ)' gzip
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complete -f -o default -X '!*.+(gz|GZ)' gunzip
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complete -f -o default -X '*.+(bz2|BZ2)' bzip2
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complete -f -o default -X '!*.+(bz2|BZ2)' bunzip2
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# Postscript,pdf,dvi.....
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complete -f -o default -X '!*.ps' gs ghostview ps2pdf ps2ascii
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complete -f -o default -X '!*.dvi' dvips dvipdf xdvi dviselect dvitype
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complete -f -o default -X '!*.pdf' acroread pdf2ps
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complete -f -o default -X '!*.+(pdf|ps)' gv
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complete -f -o default -X '!*.texi*' makeinfo texi2dvi texi2html texi2pdf
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complete -f -o default -X '!*.tex' tex latex slitex
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complete -f -o default -X '!*.lyx' lyx
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complete -f -o default -X '!*.+(htm*|HTM*)' lynx html2ps
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# Multimedia
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complete -f -o default -X '!*.+(jp*g|gif|xpm|png|bmp)' xv gimp
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complete -f -o default -X '!*.+(mp3|MP3)' mpg123 mpg321
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complete -f -o default -X '!*.+(ogg|OGG)' ogg123
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complete -f -o default -X '!*.pl' perl perl5
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# This is a 'universal' completion function - it works when commands have
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# a so-called 'long options' mode , ie: 'ls --all' instead of 'ls -a'
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_get_longopts ()
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{
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$1 --help | sed -e '/--/!d' -e 's/.*--\([^[:space:].,]*\).*/--\1/'| \
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grep ^"$2" |sort -u ;
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}
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_longopts_func ()
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{
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case "${2:-*}" in
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-*) ;;
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*) return ;;
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esac
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case "$1" in
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\~*) eval cmd="$1" ;;
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*) cmd="$1" ;;
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esac
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COMPREPLY=( $(_get_longopts ${1} ${2} ) )
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}
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complete -o default -F _longopts_func configure bash
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complete -o default -F _longopts_func wget id info a2ps ls recode
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_make_targets ()
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{
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local mdef makef gcmd cur prev i
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COMPREPLY=()
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cur=${COMP_WORDS[COMP_CWORD]}
|
|
prev=${COMP_WORDS[COMP_CWORD-1]}
|
|
|
|
# if prev argument is -f, return possible filename completions.
|
|
# we could be a little smarter here and return matches against
|
|
# `makefile Makefile *.mk', whatever exists
|
|
case "$prev" in
|
|
-*f) COMPREPLY=( $(compgen -f $cur ) ); return 0;;
|
|
esac
|
|
|
|
# if we want an option, return the possible posix options
|
|
case "$cur" in
|
|
-) COMPREPLY=(-e -f -i -k -n -p -q -r -S -s -t); return 0;;
|
|
esac
|
|
|
|
# make reads `makefile' before `Makefile'
|
|
if [ -f makefile ]; then
|
|
mdef=makefile
|
|
elif [ -f Makefile ]; then
|
|
mdef=Makefile
|
|
else
|
|
mdef=*.mk # local convention
|
|
fi
|
|
|
|
# before we scan for targets, see if a makefile name was specified
|
|
# with -f
|
|
for (( i=0; i < ${#COMP_WORDS[@]}; i++ )); do
|
|
if [[ ${COMP_WORDS[i]} == -*f ]]; then
|
|
eval makef=${COMP_WORDS[i+1]} # eval for tilde expansion
|
|
break
|
|
fi
|
|
done
|
|
|
|
[ -z "$makef" ] && makef=$mdef
|
|
|
|
# if we have a partial word to complete, restrict completions to
|
|
# matches of that word
|
|
if [ -n "$2" ]; then gcmd='grep "^$2"' ; else gcmd=cat ; fi
|
|
|
|
# if we don't want to use *.mk, we can take out the cat and use
|
|
# test -f $makef and input redirection
|
|
COMPREPLY=( $(cat $makef 2>/dev/null | \
|
|
awk 'BEGIN {FS=":"} /^[^.# ][^=]*:/ {print $1}' \
|
|
| tr -s ' ' '\012' | sort -u | eval $gcmd ) )
|
|
}
|
|
|
|
complete -F _make_targets -X '+($*|*.[cho])' make gmake pmake
|
|
|
|
|
|
# cvs(1) completion
|
|
_cvs ()
|
|
{
|
|
local cur prev
|
|
COMPREPLY=()
|
|
cur=${COMP_WORDS[COMP_CWORD]}
|
|
prev=${COMP_WORDS[COMP_CWORD-1]}
|
|
|
|
if [ $COMP_CWORD -eq 1 ] || [ "${prev:0:1}" = "-" ]; then
|
|
COMPREPLY=( $( compgen -W 'add admin checkout commit diff \
|
|
export history import log rdiff release remove rtag status \
|
|
tag update' $cur ))
|
|
else
|
|
COMPREPLY=( $( compgen -f $cur ))
|
|
fi
|
|
return 0
|
|
}
|
|
complete -F _cvs cvs
|
|
|
|
_killall ()
|
|
{
|
|
local cur prev
|
|
COMPREPLY=()
|
|
cur=${COMP_WORDS[COMP_CWORD]}
|
|
|
|
# get a list of processes (the first sed evaluation
|
|
# takes care of swapped out processes, the second
|
|
# takes care of getting the basename of the process)
|
|
COMPREPLY=( $( /usr/bin/ps -u $USER -o comm | \
|
|
sed -e '1,1d' -e 's#[]\[]##g' -e 's#^.*/##'| \
|
|
awk '{if ($0 ~ /^'$cur'/) print $0}' ))
|
|
|
|
return 0
|
|
}
|
|
|
|
complete -F _killall killall killps
|
|
|
|
|
|
# A meta-command completion function for commands like sudo(8), which
|
|
# need to first complete on a command,
|
|
# then complete according to that command's own
|
|
# completion definition - currently not quite foolproof
|
|
# (e.g. mount and umount don't work properly),
|
|
# but still quite useful --
|
|
# By Ian McDonald, modified by me.
|
|
|
|
_my_command()
|
|
{
|
|
local cur func cline cspec
|
|
|
|
COMPREPLY=()
|
|
cur=${COMP_WORDS[COMP_CWORD]}
|
|
|
|
if [ $COMP_CWORD = 1 ]; then
|
|
COMPREPLY=( $( compgen -c $cur ) )
|
|
elif complete -p ${COMP_WORDS[1]} &>/dev/null; then
|
|
cspec=$( complete -p ${COMP_WORDS[1]} )
|
|
if [ "${cspec%%-F *}" != "${cspec}" ]; then
|
|
# complete -F <function>
|
|
#
|
|
# COMP_CWORD and COMP_WORDS() are not read-only,
|
|
# so we can set them before handing off to regular
|
|
# completion routine
|
|
|
|
# set current token number to 1 less than now
|
|
COMP_CWORD=$(( $COMP_CWORD - 1 ))
|
|
# get function name
|
|
func=${cspec#*-F }
|
|
func=${func%% *}
|
|
# get current command line minus initial command
|
|
cline="${COMP_LINE#$1 }"
|
|
# split current command line tokens into array
|
|
COMP_WORDS=( $cline )
|
|
$func $cline
|
|
elif [ "${cspec#*-[abcdefgjkvu]}" != "" ]; then
|
|
# complete -[abcdefgjkvu]
|
|
#func=$( echo $cspec | sed -e 's/^.*\(-[abcdefgjkvu]\).*$/\1/' )
|
|
func=$( echo $cspec | sed -e 's/^complete//' -e 's/[^ ]*$//' )
|
|
COMPREPLY=( $( eval compgen $func $cur ) )
|
|
elif [ "${cspec#*-A}" != "$cspec" ]; then
|
|
# complete -A <type>
|
|
func=${cspec#*-A }
|
|
func=${func%% *}
|
|
COMPREPLY=( $( compgen -A $func $cur ) )
|
|
fi
|
|
else
|
|
COMPREPLY=( $( compgen -f $cur ) )
|
|
fi
|
|
}
|
|
|
|
|
|
complete -o default -F _my_command nohup exec eval \
|
|
trace truss strace sotruss gdb
|
|
complete -o default -F _my_command command type which man nice
|
|
|
|
# Local Variables:
|
|
# mode:shell-script
|
|
# sh-shell:bash
|
|
# End:
|