Index: xz/src/scripts/xzgrep.in |
=================================================================== |
--- xz/src/scripts/xzgrep.in (revision 0) |
+++ xz/src/scripts/xzgrep.in (revision 0) |
@@ -0,0 +1,196 @@ |
+#!@POSIX_SHELL@ |
+ |
+# xzgrep -- a wrapper around a grep program that decompresses files as needed |
+# Adapted from a version sent by Charles Levert <charles@comm.polymtl.ca> |
+ |
+# Copyright (C) 1998, 2001, 2002, 2006, 2007 Free Software Foundation |
+# Copyright (C) 1993 Jean-loup Gailly |
+ |
+# Modified for XZ Utils by Andrew Dudman and Lasse Collin. |
+ |
+# This program is free software; you can redistribute it and/or modify |
+# it under the terms of the GNU General Public License as published by |
+# the Free Software Foundation; either version 2 of the License, or |
+# (at your option) any later version. |
+ |
+# This program is distributed in the hope that it will be useful, |
+# but WITHOUT ANY WARRANTY; without even the implied warranty of |
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+# GNU General Public License for more details. |
+ |
+#SET_PATH - This line is a placeholder to ease patching this script. |
+ |
+# Instead of unsetting XZ_OPT, just make sure that xz will use file format |
+# autodetection. This way memory usage limit and thread limit can be |
+# specified via XZ_OPT. With gzip and bzip2 it's OK to just unset the |
+# environment variables. |
+xz='@xz@ --format=auto' |
+unset GZIP BZIP BZIP2 |
+ |
+case ${0##/*} in |
+ *egrep*) prog=xzegrep; grep=${GREP:-egrep};; |
+ *fgrep*) prog=xzfgrep; grep=${GREP:-fgrep};; |
+ *) prog=xzgrep; grep=${GREP:-grep};; |
+esac |
+ |
+version="$prog (@PACKAGE_NAME@) @VERSION@" |
+ |
+usage="Usage: ${0##/*} [OPTION]... [-e] PATTERN [FILE]... |
+Look for instances of PATTERN in the input FILEs, using their |
+uncompressed contents if they are compressed. |
+ |
+OPTIONs are the same as for '$grep'. |
+ |
+Report bugs to <@PACKAGE_BUGREPORT@>." |
+ |
+# sed script to escape all ' for the shell, and then (to handle trailing |
+# newlines correctly) turn trailing X on last line into '. |
+escape=' |
+ s/'\''/'\''\\'\'''\''/g |
+ $s/X$/'\''/ |
+' |
+operands= |
+have_pat=0 |
+files_with_matches=0 |
+files_without_matches=0 |
+no_filename=0 |
+with_filename=0 |
+ |
+while test $# -ne 0; do |
+ option=$1 |
+ shift |
+ optarg= |
+ |
+ case $option in |
+ (-[0123456789abcdhHiIKLlnoqrRsTuUvVwxyzZ]?*) |
+ arg2=-\'$(expr "X${option}X" : 'X-.[0-9]*\(.*\)' | sed "$escape") |
+ eval "set -- $arg2 "'${1+"$@"}' |
+ option=$(expr "X$option" : 'X\(-.[0-9]*\)');; |
+ (--binary-*=* | --[lm]a*=* | --reg*=*) |
+ ;; |
+ (-[ABCDefm] | --binary-* | --file | --[lm]a* | --reg*) |
+ case ${1?"$option option requires an argument"} in |
+ (*\'*) |
+ optarg=" '"$(printf '%sX\n' "$1" | sed "$escape");; |
+ (*) |
+ optarg=" '$1'";; |
+ esac |
+ shift;; |
+ (--) |
+ break;; |
+ (-?*) |
+ ;; |
+ (*) |
+ case $option in |
+ (*\'*) |
+ operands="$operands '"$(printf '%sX\n' "$option" | sed "$escape");; |
+ (*) |
+ operands="$operands '$option'";; |
+ esac |
+ ${POSIXLY_CORRECT+break} |
+ continue;; |
+ esac |
+ |
+ case $option in |
+ (-[drRzZ] | --di* | --exc* | --inc* | --rec* | --nu*) |
+ printf >&2 '%s: %s: Option not supported\n' "$0" "$option" |
+ exit 2;; |
+ (-[ef]* | --file | --file=* | --reg*) |
+ have_pat=1;; |
+ (--h | --he | --hel | --help) |
+ echo "$usage" || exit 2 |
+ exit;; |
+ (-H | --wi | --wit | --with | --with- | --with-f | --with-fi \ |
+ | --with-fil | --with-file | --with-filen | --with-filena | --with-filenam \ |
+ | --with-filename) |
+ with_filename=1 |
+ continue;; |
+ (-l | --files-with-*) |
+ files_with_matches=1;; |
+ (-L | --files-witho*) |
+ files_without_matches=1;; |
+ (--no-f*) |
+ no_filename=1;; |
+ (-V | --v | --ve | --ver | --vers | --versi | --versio | --version) |
+ echo "$version" || exit 2 |
+ exit;; |
+ esac |
+ |
+ case $option in |
+ (*\'?*) |
+ option=\'$(expr "X${option}X" : 'X\(.*\)' | sed "$escape");; |
+ (*) |
+ option="'$option'";; |
+ esac |
+ |
+ grep="$grep $option$optarg" |
+done |
+ |
+eval "set -- $operands "'${1+"$@"}' |
+ |
+if test $have_pat -eq 0; then |
+ case ${1?"Missing pattern; try \`${0##*/} --help' for help"} in |
+ (*\'*) |
+ grep="$grep -- '"$(printf '%sX\n' "$1" | sed "$escape");; |
+ (*) |
+ grep="$grep -- '$1'";; |
+ esac |
+ shift |
+fi |
+ |
+if test $# -eq 0; then |
+ set -- - |
+fi |
+ |
+exec 3>&1 |
+res=0 |
+ |
+for i; do |
+ case $i in |
+ *[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) uncompress="gzip -cdfq";; |
+ *[-.]bz2 | *[-.]tbz | *.tbz2) uncompress="bzip2 -cdfq";; |
+ *) uncompress="$xz -cdfq";; |
+ esac |
+ # Fail if xz or grep (or sed) fails. |
+ xz_status=$( |
+ exec 5>&1 |
+ ($uncompress -- "$i" 5>&-; echo $? >&5) 3>&- | |
+ if test $files_with_matches -eq 1; then |
+ eval "$grep" -q && { printf '%s\n' "$i" || exit 2; } |
+ elif test $files_without_matches -eq 1; then |
+ eval "$grep" -q || { |
+ r=$? |
+ if test $r -eq 1; then |
+ printf '%s\n' "$i" || r=2 |
+ fi |
+ exit $r |
+ } |
+ elif test $with_filename -eq 0 && |
+ { test $# -eq 1 || test $no_filename -eq 1; }; then |
+ eval "$grep" |
+ else |
+ case $i in |
+ (*' |
+'* | *'&'* | *'\'* | *'|'*) |
+ i=$(printf '%s\n' "$i" | |
+ sed ' |
+ $!N |
+ $s/[&\|]/\\&/g |
+ $s/\n/\\n/g |
+ ');; |
+ esac |
+ sed_script="s|^|$i:|" |
+ |
+ # Fail if grep or sed fails. |
+ r=$( |
+ exec 4>&1 |
+ (eval "$grep" 4>&-; echo $? >&4) 3>&- | sed "$sed_script" >&3 4>&- |
+ ) || r=2 |
+ exit $r |
+ fi >&3 5>&- |
+ ) |
+ r=$? |
+ test "$xz_status" -eq 0 || test "$xz_status" -eq 2 || r=2 |
+ test $res -lt $r && res=$r |
+done |
+exit $res |
Property changes on: xz/src/scripts/xzgrep.in |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |