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Diffstat (limited to 'zdiff.in')
| -rw-r--r-- | zdiff.in | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/zdiff.in b/zdiff.in deleted file mode 100644 index dde93ba..0000000 --- a/zdiff.in +++ /dev/null @@ -1,160 +0,0 @@ -#! /bin/sh -# Zdiff - Diff/cmp wrapper for compressed files. -# Copyright (C) 2008, 2009 Antonio Diaz Diaz. -# -# This script is free software: you have unlimited permission -# to copy, distribute and modify it. - -LC_ALL=C -export LC_ALL -args= -diff_prog=diff -file1= -file2= -two_hyphens=0 - -# Loop over args -while [ -n "$1" ] ; do - - case "$1" in - --help | --he* | -h) - echo "Zdiff - Diff/cmp wrapper for compressed files." - echo - echo "Zdiff is a wrapper script around the diff and cmp commands that allows" - echo "transparent comparison of any combination of compressed and" - echo "non-compressed files. If any given file is compressed, its uncompressed" - echo "content is used. The supported compressors are bzip2, gzip, lzip and xz." - echo - echo "Zcmp is a shortcut for \"zdiff --cmp\"" - echo - echo "Usage: $0 [OPTIONS] [DIFF_OPTIONS] FILE1 [FILE2]" - echo - echo "Compares FILE1 to FILE2. If FILE2 is omitted and FILE1 is compressed," - echo "compares FILE1 to the file with the corresponding decompressed file" - echo "name (removes the extension from FILE1). If FILE2 is omitted and FILE1" - echo "is not compressed, compares FILE1 to the uncompressed contents of" - echo "FILE1.[bz2|gz|lz|xz] (the first one that is found)." - echo "DIFF_OPTIONS are passed directly to diff or cmp." - echo "The exit status from diff or cmp is preserved." - echo - echo "Options:" - echo " -h, --help display this help and exit" - echo " -V, --version output version information and exit" - echo " --diff use diff to compare files (default)" - echo " --cmp use cmp to compare files" - echo - echo "Report bugs to zutils-bug@nongnu.org" - echo "Zutils home page: http://www.nongnu.org/zutils/zutils.html" - exit 0 ;; - --version | --ve* | -V) - echo "Zdiff (zutils) VERSION" - echo "Copyright (C) 2009 Antonio Diaz Diaz." - echo "This script is free software: you have unlimited permission" - echo "to copy, distribute and modify it." - exit 0 ;; - --diff) - diff_prog=diff ;; - --cmp) - diff_prog=cmp ;; - -) - echo "$0: reading from stdin not supported" - exit 1 ;; - --) - shift; two_hyphens=1 ; break ;; - -?*) - args="${args} $1" ;; - *) - break ;; - esac - shift -done - -# Loop over files -for i in "$@" ; do - if [ "$i" = "--" ] && [ ${two_hyphens} = 0 ] ; then two_hyphens=1 - else - if [ -f "$i" ] ; then - if [ -z "${file1}" ] ; then file1="$i" - else - if [ -z "${file2}" ] ; then file2="$i" - else - echo "$0: Too many files; use --help for usage." 1>&2 - fi - fi - else - echo "$0: File \"$i\" not found or not a regular file" 1>&2 - exit 1 - fi - fi -done - -if [ -z "${file1}" ] ; then - echo "$0: No files given; use --help for usage." 1>&2 - exit 1 -fi - -if [ -z "${file2}" ] ; then - case "${file1}" in - *.bz2) file2=`printf "%s" "${file1}" | sed -e 's,.bz2$,,'` ;; - *.tbz) file2=`printf "%s" "${file1}" | sed -e 's,tbz$,tar,'` ;; - *.tbz2) file2=`printf "%s" "${file1}" | sed -e 's,tbz2$,tar,'` ;; - *.gz) file2=`printf "%s" "${file1}" | sed -e 's,.gz$,,'` ;; - *.tgz) file2=`printf "%s" "${file1}" | sed -e 's,tgz$,tar,'` ;; - *.lz) file2=`printf "%s" "${file1}" | sed -e 's,.lz$,,'` ;; - *.tlz) file2=`printf "%s" "${file1}" | sed -e 's,tlz$,tar,'` ;; - *.xz) file2=`printf "%s" "${file1}" | sed -e 's,.xz$,,'` ;; - *.txz) file2=`printf "%s" "${file1}" | sed -e 's,txz$,tar,'` ;; - *) - if [ -f "${file1}.bz2" ] ; then file2="${file1}.bz2" - elif [ -f "${file1}.gz" ] ; then file2="${file1}.gz" - elif [ -f "${file1}.lz" ] ; then file2="${file1}.lz" - elif [ -f "${file1}.xz" ] ; then file2="${file1}.xz" - else - echo "$0: Compressed version of ${file1} not found; use --help for usage." 1>&2 - exit 1 - fi ;; - esac -fi - -prog1= -prog2= -bindir=`echo "$0" | sed -e 's,[^/]*$,,'` -if [ -f "${file1}" ] ; then - prog_name=`"${bindir}"zutils -t -- "${file1}"` - case "${prog_name}" in - bzip2 | gzip | lzip | xz) prog1=${prog_name} ;; - esac -fi -if [ -f "${file2}" ] ; then - prog_name=`"${bindir}"zutils -t -- "${file2}"` - case "${prog_name}" in - bzip2 | gzip | lzip | xz) prog2=${prog_name} ;; - esac -fi - -retval=0 -if [ -n "${prog1}" ] ; then - if [ -n "${prog2}" ] ; then - tmp_file=`mktemp "${TMPDIR:-/tmp}"/zdiff.XXXXXXXXXX` || { - echo 'cannot create a temporary file' 1>&2 - exit 1 - } - ${prog2} -cdfq -- "${file2}" > "${tmp_file}" || exit 1 - ${prog1} -cdfq -- "${file1}" | ${diff_prog} ${args} - -- "${tmp_file}" - retval=$? - rm -f "${tmp_file}" || retval=$? - else - ${prog1} -cdfq -- "${file1}" | ${diff_prog} ${args} - -- "${file2}" - retval=$? - fi -else - if [ -n "${prog2}" ] ; then - ${prog2} -cdfq -- "${file2}" | ${diff_prog} ${args} -- "${file1}" - - retval=$? - else - ${diff_prog} ${args} -- "${file1}" "${file2}" - retval=$? - fi -fi - -exit ${retval} |