76 lines
1.7 KiB
Plaintext
76 lines
1.7 KiB
Plaintext
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#!/bin/sh
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# shell archiver
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# usage: echo_list_of_files_one_per_line | shar > shell_archive
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# or: shar list_of_files > shell_archive
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# de-archive archive by executing it as a shell script (with .)
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# unshar de-archives only the modified ones, with a message
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TMP=/tmp/SHAR_$$
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case $0 in ## UNSHAR
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*unshar )
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case $# in
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0 ) echo "USAGE: unshar shar-file [files...]";exit 1;;
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1) if test -f $1;then :;
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else echo "unshar: cannot open $1";exit 1
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fi
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OLDWD=`pwd`
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mkdir $TMP; cd $TMP
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case $1 in
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*/* ) sh $1;;
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* ) sh $OLDWD/$1;;
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esac
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for FILE in `find . -print`; do
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if test -d $FILE
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then mkdir $OLDWD/$FILE 2>/dev/null
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else if cmp -s $FILE $OLDWD/$FILE; then :
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else echo unsharing $FILE;cp $FILE $OLDWD;fi
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fi
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done
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cd $OLDWD
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rm -rf $TMP
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echo "Finished unsharing $1";;
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*) FILE=$1;shift
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if test -f $FILE;then :;
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else echo "unshar: cannot open $FILE";exit 1
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fi
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for i in $*; do echo unsharing $i
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awk '/END_OF_SHAR_FOR_'$i'/, /^END_OF_SHAR_FOR_'$i'/' < $FILE |/bin/sh
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done;;
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esac;;
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## SHAR
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* ) case $# in
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0)while : ; do
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read FILE
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case $FILE in
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'' ) exit 0;;
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esac
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if test -d $FILE
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then echo "mkdir $FILE 2>/dev/null"
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else
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echo "cat > $FILE << \END_OF_SHAR_FOR_$FILE"
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cat $FILE
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echo "END_OF_SHAR_FOR_$FILE"
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case `ls -l $FILE` in ???x*)echo "chmod a+x $FILE";;esac
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fi
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done;;
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*)while test -n "$1" ; do
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FILE=$1
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if test -d $FILE
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then echo "mkdir $FILE 2>/dev/null"
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else
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echo "cat > $FILE << \END_OF_SHAR_FOR_$FILE"
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cat $FILE
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echo "END_OF_SHAR_FOR_$FILE"
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case `ls -l $FILE` in ???x*)echo "chmod a+x $FILE";;esac
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fi
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shift
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done;;
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esac;;
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esac
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