Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(2)

Unified Diff: xz/src/scripts/xzgrep.in

Issue 2869016: Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/
Patch Set: Created 10 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « xz/src/scripts/xzgrep.1 ('k') | xz/src/scripts/xzless.1 » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
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
« no previous file with comments | « xz/src/scripts/xzgrep.1 ('k') | xz/src/scripts/xzless.1 » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698