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https://github.com/minetest/irrlicht.git
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77 lines
2.1 KiB
Plaintext
77 lines
2.1 KiB
Plaintext
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#!/bin/sh
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# sh is buggy on RS/6000 AIX 3.2. Replace above line with #!/bin/ksh
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# Bzcmp/diff wrapped for bzip2,
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# adapted from zdiff by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
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# Bzcmp and bzdiff are used to invoke the cmp or the diff pro-
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# gram on compressed files. All options specified are passed
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# directly to cmp or diff. If only 1 file is specified, then
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# the files compared are file1 and an uncompressed file1.gz.
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# If two files are specified, then they are uncompressed (if
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# necessary) and fed to cmp or diff. The exit status from cmp
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# or diff is preserved.
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PATH="/usr/bin:/bin:$PATH"; export PATH
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prog=`echo $0 | sed 's|.*/||'`
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case "$prog" in
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*cmp) comp=${CMP-cmp} ;;
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*) comp=${DIFF-diff} ;;
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esac
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OPTIONS=
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FILES=
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for ARG
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do
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case "$ARG" in
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-*) OPTIONS="$OPTIONS $ARG";;
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*) if test -f "$ARG"; then
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FILES="$FILES $ARG"
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else
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echo "${prog}: $ARG not found or not a regular file"
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exit 1
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fi ;;
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esac
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done
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if test -z "$FILES"; then
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echo "Usage: $prog [${comp}_options] file [file]"
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exit 1
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fi
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tmp=`mktemp ${TMPDIR:-/tmp}/bzdiff.XXXXXXXXXX` || {
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echo 'cannot create a temporary file' >&2
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exit 1
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}
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set $FILES
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if test $# -eq 1; then
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FILE=`echo "$1" | sed 's/.bz2$//'`
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bzip2 -cd "$FILE.bz2" | $comp $OPTIONS - "$FILE"
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STAT="$?"
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elif test $# -eq 2; then
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case "$1" in
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*.bz2)
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case "$2" in
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*.bz2)
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F=`echo "$2" | sed 's|.*/||;s|.bz2$||'`
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bzip2 -cdfq "$2" > $tmp
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bzip2 -cdfq "$1" | $comp $OPTIONS - $tmp
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STAT="$?"
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/bin/rm -f $tmp;;
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*) bzip2 -cdfq "$1" | $comp $OPTIONS - "$2"
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STAT="$?";;
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esac;;
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*) case "$2" in
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*.bz2)
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bzip2 -cdfq "$2" | $comp $OPTIONS "$1" -
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STAT="$?";;
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*) $comp $OPTIONS "$1" "$2"
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STAT="$?";;
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esac;;
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esac
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exit "$STAT"
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else
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echo "Usage: $prog [${comp}_options] file [file]"
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exit 1
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fi
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