62 lines
2.1 KiB
HTML
62 lines
2.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
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<TITLE>Bzip2 mini-HOWTO: Using bzip2 with less</TITLE>
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<LINK HREF="Bzip2-6.html" REL=next>
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<LINK HREF="Bzip2-4.html" REL=previous>
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<A HREF="Bzip2-6.html">Next</A>
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<HR>
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<H2><A NAME="bzip2-with-less"></A> <A NAME="s5">5. Using bzip2 with less</A></H2>
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<P>To uncompress bzip2'd files on the fly, i.e. to be able to use "less"
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on them without first bunzip2'ing them, you can make a lesspipe.sh (man
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less) like this:
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<PRE>
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#!/bin/sh
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# This is a preprocessor for 'less'. It is used when this environment
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# variable is set: LESSOPEN="|lesspipe.sh %s"
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case "$1" in
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*.tar) tar tvvf $1 2>/dev/null ;; # View contents of various tar'd files
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*.tgz) tar tzvvf $1 2>/dev/null ;;
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# This one work for the unmodified version of tar:
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*.tar.bz2) bzip2 -cd $1 $1 2>/dev/null | tar tvvf - ;;
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#This one works with the patched version of tar:
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# *.tar.bz2) tyvvf $1 2>/dev/null ;;
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*.tar.gz) tar tzvvf $1 2>/dev/null ;;
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*.tar.Z) tar tzvvf $1 2>/dev/null ;;
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*.tar.z) tar tzvvf $1 2>/dev/null ;;
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*.bz2) bzip2 -dc $1 2>/dev/null ;; # View compressed files correctly
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*.Z) gzip -dc $1 2>/dev/null ;;
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*.z) gzip -dc $1 2>/dev/null ;;
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*.gz) gzip -dc $1 2>/dev/null ;;
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*.zip) unzip -l $1 2>/dev/null ;;
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*.1|*.2|*.3|*.4|*.5|*.6|*.7|*.8|*.9|*.n|*.man) FILE=`file -L $1` ; # groff src
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FILE=`echo $FILE | cut -d ' ' -f 2`
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if [ "$FILE" = "troff" ]; then
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groff -s -p -t -e -Tascii -mandoc $1
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fi ;;
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*) cat $1 2>/dev/null ;;
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# *) FILE=`file -L $1` ; # Check to see if binary, if so -- view with 'strings'
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# FILE1=`echo $FILE | cut -d ' ' -f 2`
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# FILE2=`echo $FILE | cut -d ' ' -f 3`
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# if [ "$FILE1" = "Linux/i386" -o "$FILE2" = "Linux/i386" \
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# -o "$FILE1" = "ELF" -o "$FILE2" = "ELF" ]; then
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# strings $1
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# fi ;;
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esac
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</PRE>
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<P>
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<HR>
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