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Upload etc/alternatives/lzegrep with huggingface_hub

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+ #!/bin/sh
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+
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+ # xzgrep -- a wrapper around a grep program that decompresses files as needed
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+ # Adapted from a version sent by Charles Levert <[email protected]>
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+
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+ # Copyright (C) 1998, 2001, 2002, 2006, 2007 Free Software Foundation
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+ # Copyright (C) 1993 Jean-loup Gailly
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+
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+ # Modified for XZ Utils by Andrew Dudman and Lasse Collin.
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+
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+ # This program is free software; you can redistribute it and/or modify
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+ # it under the terms of the GNU General Public License as published by
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+ # the Free Software Foundation; either version 2 of the License, or
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+ # (at your option) any later version.
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+
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+ # This program is distributed in the hope that it will be useful,
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+ # but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ # GNU General Public License for more details.
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+
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+ #SET_PATH - This line is a placeholder to ease patching this script.
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+
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+ # Instead of unsetting XZ_OPT, just make sure that xz will use file format
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+ # autodetection. This way memory usage limit and thread limit can be
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+ # specified via XZ_OPT. With gzip, bzip2, and lzop it's OK to just unset the
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+ # environment variables.
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+ xz='xz --format=auto'
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+ unset GZIP BZIP BZIP2 LZOP
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+
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+ case ${0##*/} in
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+ *egrep*) prog=xzegrep; grep=${GREP:-egrep};;
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+ *fgrep*) prog=xzfgrep; grep=${GREP:-fgrep};;
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+ *) prog=xzgrep; grep=${GREP:-grep};;
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+ esac
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+
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+ version="$prog (XZ Utils) 5.2.4"
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+
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+ usage="Usage: ${0##*/} [OPTION]... [-e] PATTERN [FILE]...
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+ Look for instances of PATTERN in the input FILEs, using their
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+ uncompressed contents if they are compressed.
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+
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+ OPTIONs are the same as for '$grep'.
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+
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+ Report bugs to <[email protected]>."
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+
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+ # sed script to escape all ' for the shell, and then (to handle trailing
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+ # newlines correctly) turn trailing X on last line into '.
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+ escape='
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+ s/'\''/'\''\\'\'''\''/g
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+ $s/X$/'\''/
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+ '
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+ operands=
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+ have_pat=0
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+ files_with_matches=0
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+ files_without_matches=0
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+ no_filename=0
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+ with_filename=0
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+
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+ while test $# -ne 0; do
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+ option=$1
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+ shift
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+ optarg=
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+
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+ case $option in
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+ (-[0123456789abcdhHiIKLlnoqrRsTuUvVwxyzZ]?*)
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+ arg2=-\'$(expr "X${option}X" : 'X-.[0-9]*\(.*\)' | sed "$escape")
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+ eval "set -- $arg2 "'${1+"$@"}'
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+ option=$(expr "X$option" : 'X\(-.[0-9]*\)');;
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+ (--binary-*=* | --[lm]a*=* | --reg*=*)
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+ ;;
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+ (-[ABCDefm] | --binary-* | --file | --[lm]a* | --reg*)
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+ case ${1?"$option option requires an argument"} in
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+ (*\'*)
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+ optarg=" '"$(printf '%sX\n' "$1" | sed "$escape");;
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+ (*)
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+ optarg=" '$1'";;
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+ esac
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+ shift;;
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+ (--)
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+ break;;
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+ (-?*)
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+ ;;
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+ (*)
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+ case $option in
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+ (*\'*)
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+ operands="$operands '"$(printf '%sX\n' "$option" | sed "$escape");;
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+ (*)
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+ operands="$operands '$option'";;
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+ esac
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+ ${POSIXLY_CORRECT+break}
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+ continue;;
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+ esac
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+
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+ case $option in
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+ (-[drRzZ] | --di* | --exc* | --inc* | --rec* | --nu*)
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+ printf >&2 '%s: %s: Option not supported\n' "$0" "$option"
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+ exit 2;;
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+ (-[ef]* | --file | --file=* | --reg*)
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+ have_pat=1;;
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+ (--h | --he | --hel | --help)
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+ echo "$usage" || exit 2
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+ exit;;
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+ (-H | --wi | --wit | --with | --with- | --with-f | --with-fi \
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+ | --with-fil | --with-file | --with-filen | --with-filena | --with-filenam \
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+ | --with-filename)
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+ with_filename=1
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+ continue;;
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+ (-l | --files-with-*)
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+ files_with_matches=1
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+ continue;;
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+ (-L | --files-witho*)
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+ files_without_matches=1
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+ continue;;
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+ (-h | --no-f*)
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+ no_filename=1;;
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+ (-V | --v | --ve | --ver | --vers | --versi | --versio | --version)
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+ echo "$version" || exit 2
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+ exit;;
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+ esac
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+
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+ case $option in
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+ (*\'?*)
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+ option=\'$(expr "X${option}X" : 'X\(.*\)' | sed "$escape");;
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+ (*)
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+ option="'$option'";;
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+ esac
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+
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+ grep="$grep $option$optarg"
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+ done
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+
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+ if test $files_with_matches -eq 1 || test $files_without_matches -eq 1; then
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+ grep="$grep -q"
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+ fi
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+
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+ eval "set -- $operands "'${1+"$@"}'
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+
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+ if test $have_pat -eq 0; then
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+ case ${1?"Missing pattern; try \`${0##*/} --help' for help"} in
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+ (*\'*)
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+ grep="$grep -- '"$(printf '%sX\n' "$1" | sed "$escape");;
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+ (*)
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+ grep="$grep -- '$1'";;
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+ esac
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+ shift
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+ fi
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+
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+ if test $# -eq 0; then
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+ set -- -
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+ fi
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+
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+ exec 3>&1
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+
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+ # res=1 means that no file matched yet
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+ res=1
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+
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+ for i; do
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+ case $i in
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+ *[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) uncompress="gzip -cdfq";;
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+ *[-.]bz2 | *[-.]tbz | *.tbz2) uncompress="bzip2 -cdfq";;
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+ *[-.]lzo | *[-.]tzo) uncompress="lzop -cdfq";;
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+ *) uncompress="$xz -cdfq";;
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+ esac
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+ # Fail if xz or grep (or sed) fails.
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+ xz_status=$(
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+ exec 5>&1
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+ ($uncompress -- "$i" 5>&-; echo $? >&5) 3>&- |
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+ if test $files_with_matches -eq 1; then
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+ eval "$grep" && { printf '%s\n' "$i" || exit 2; }
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+ elif test $files_without_matches -eq 1; then
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+ eval "$grep" || {
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+ r=$?
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+ if test $r -eq 1; then
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+ printf '%s\n' "$i" || r=2
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+ fi
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+ exit $r
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+ }
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+ elif test $with_filename -eq 0 &&
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+ { test $# -eq 1 || test $no_filename -eq 1; }; then
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+ eval "$grep"
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+ else
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+ # Append a colon so that the last character will never be a newline
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+ # which would otherwise get lost in shell command substitution.
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+ i="$i:"
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+
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+ # Escape & \ | and newlines only if such characters are present
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+ # (speed optimization).
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+ case $i in
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+ (*'
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+ '* | *'&'* | *'\'* | *'|'*)
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+ i=$(printf '%s\n' "$i" | LC_ALL=C sed 's/[&\|]/\\&/g; $!s/$/\\/');;
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+ esac
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+
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+ # $i already ends with a colon so don't add it here.
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+ sed_script="s|^|$i|"
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+
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+ # Fail if grep or sed fails.
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+ r=$(
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+ exec 4>&1
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+ (eval "$grep" 4>&-; echo $? >&4) 3>&- |
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+ LC_ALL=C sed "$sed_script" >&3 4>&-
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+ ) || r=2
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+ exit $r
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+ fi >&3 5>&-
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+ )
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+ r=$?
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+
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+ # fail occured previously, nothing worse can happen
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+ test $res -gt 1 && continue
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+
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+ test "$xz_status" -eq 0 || test "$xz_status" -eq 2 \
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+ || test "$(kill -l "$xz_status" 2> /dev/null)" = "PIPE" || r=2
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+
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+ # still no match
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+ test $r -eq 1 && continue
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+
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+ # 0 == match, >=2 == fail
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+ res=$r
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+ done
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+ exit $res