mirror of https://github.com/tLDP/LDP
441 lines
9.7 KiB
Bash
441 lines
9.7 KiB
Bash
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#===============================================================
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#
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# PERSONAL $HOME/.bashrc FILE for bash-2.04 (or later)
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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.
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# --> Modified for Linux.
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#
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#===============================================================
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# --> Comments added by HOWTO author.
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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 and solaris - your mileage may vary....
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#-------------------------------------------------------------
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if [ -z ${DISPLAY:=""} ]; then
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DISPLAY=$(who am i)
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DISPLAY=${DISPLAY%%\!*}
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if [ -n "$DISPLAY" ]; then
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export DISPLAY=$DISPLAY:0.0
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else
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export DISPLAY=":0.0" # fallback
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fi
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fi
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#---------------
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# Some settings
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#---------------
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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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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
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shopt -s histappend histreedit
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shopt -s extglob # useful for programmable completion
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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%.*}${CYAN} - DISPLAY on ${RED}$DISPLAY${NC}\n"
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date
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function _exit() # function to run upon exit of shell
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{
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echo -e "${RED}Hasta la vista, baby${NC}"
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}
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trap _exit 0
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#---------------
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# Shell prompt
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#---------------
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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="[\h] \W > \[\033]0;[\u@\h] \w\007\]" ;;
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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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TIME=$(date +%H:%M)
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}
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PROMPT_COMMAND=_powerprompt
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case $TERM in
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*term | rxvt )
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PS1="${cyan}[\$TIME \$LOAD]$NC\n[\h \#] \W > \[\033]0;[\u@\h] \w\007\]" ;;
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linux )
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PS1="${cyan}[\$TIME - \$LOAD]$NC\n[\h \#] \w > " ;;
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* )
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PS1="[\$TIME - \$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 h='history'
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alias j='jobs -l'
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alias r='rlogin'
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alias which='type -a'
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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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alias pjet='enscript -h -G -fCourier9 -d $LPDEST '
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alias vi='vim'
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alias du='du -h'
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alias df='df -kh'
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alias ls='ls -hF --color'
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alias lx='ls -lXB'
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alias lk='ls -lSr'
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alias la='ls -Al'
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alias lr='ls -lR'
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alias lt='ls -ltr'
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alias lm='ls -al |more'
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alias background='xv -root -quit -max -rmode 5'
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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='|lesspipe.sh %s' # 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
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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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esac
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}
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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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#---------------
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# and functions
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#---------------
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function man ()
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{
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xtitle The $(basename $1|tr -d .[:digit:]) manual
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man -a "$*"
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}
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function ll(){ ls -l $*| egrep "^d" ; ls -lh $* 2>&-| egrep -v "^d|total "; }
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function xemacs() { { command xemacs -private $* 2>&- & } && disown ;}
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function te() # wrapper around xemacs/gnuserv
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{
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if [ "$(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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function ff() { find . -name '*'$1'*' ; }
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function fe() { find . -name '*'$1'*' -exec $2 {} \; ; }
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function fstr() # find a string in a set of files
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{
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if [ "$#" -gt 2 ]; then
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echo "Usage: fstr \"pattern\" [files] "
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return;
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fi
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SMSO=$(tput smso)
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RMSO=$(tput rmso)
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find . -type f -name "${2:-*}" -print | xargs grep -sin "$1" | \
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sed "s/$1/$SMSO$1$RMSO/gI"
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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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# 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 IN BASH-2.04
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# (Most are taken from the bash 2.04 documentation)
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#
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#=========================================================================
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if [ "${BASH_VERSION%.*}" \< "2.04" ]; then
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echo "No programmable completion available"
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return
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fi
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shopt -s extglob # necessary
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complete -A hostname rsh rcp telnet rlogin r ftp ping disk
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complete -A command nohup exec eval trace gdb
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complete -A command command type which
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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 -f -X '*.gz' gzip
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complete -f -X '!*.ps' gs ghostview gv
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complete -f -X '!*.pdf' acroread
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complete -f -X '!*.+(gif|jpg|jpeg|GIF|JPG|bmp)' xv gimp
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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]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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# if prev argument is -f, return possible filename completions.
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# we could be a little smarter here and return matches against
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# `makefile Makefile *.mk', whatever exists
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case "$prev" in
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-*f) COMPREPLY=( $(compgen -f $cur ) ); return 0;;
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esac
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# if we want an option, return the possible posix options
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case "$cur" in
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-) COMPREPLY=(-e -f -i -k -n -p -q -r -S -s -t); return 0;;
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esac
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# make reads `makefile' before `Makefile'
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if [ -f makefile ]; then
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mdef=makefile
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elif [ -f Makefile ]; then
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mdef=Makefile
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else
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mdef=*.mk # local convention
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fi
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# before we scan for targets, see if a makefile name was specified
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# with -f
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for (( i=0; i < ${#COMP_WORDS[@]}; i++ )); do
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if [[ ${COMP_WORDS[i]} == -*f ]]; then
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eval makef=${COMP_WORDS[i+1]} # eval for tilde expansion
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break
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fi
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done
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[ -z "$makef" ] && makef=$mdef
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# if we have a partial word to complete, restrict completions to
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# matches of that word
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if [ -n "$2" ]; then gcmd='grep "^$2"' ; else gcmd=cat ; fi
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# if we don't want to use *.mk, we can take out the cat and use
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# test -f $makef and input redirection
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COMPREPLY=( $(cat $makef 2>/dev/null | awk 'BEGIN {FS=":"} /^[^.# ][^=]*:/ {print $1}' | tr -s ' ' '\012' | sort -u | eval $gcmd ) )
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}
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complete -F _make_targets -X '+($*|*.[cho])' make gmake pmake
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_configure_func ()
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{
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case "$2" in
|
||
|
|
-*) ;;
|
||
|
|
*) return ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
case "$1" in
|
||
|
|
\~*) eval cmd=$1 ;;
|
||
|
|
*) cmd="$1" ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
COMPREPLY=( $("$cmd" --help | awk '{if ($1 ~ /--.*/) print $1}' | grep ^"$2" | sort -u) )
|
||
|
|
}
|
||
|
|
|
||
|
|
complete -F _configure_func configure
|
||
|
|
|
||
|
|
_killall ()
|
||
|
|
{
|
||
|
|
local cur prev
|
||
|
|
COMPREPLY=()
|
||
|
|
cur=${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
|
||
|
|
|
||
|
|
|
||
|
|
# Local Variables:
|
||
|
|
# mode:shell-script
|
||
|
|
# sh-shell:bash
|
||
|
|
# End:
|