Mass Deface Email Grabber
." # sed script to escape all ' for the shell, and then (to handle trailing # newlines correctly) append ' to the last line. escape=' s/'\''/'\''\\'\'''\''/g $s/$/'\''/ ' 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 $option in (-[0123456789EFGHIKLPRTUVZabchilnoqrsuvwxyz]?*) arg2=-\'$(expr "X$option" : 'X-.[0-9]*\(.*\)' | sed "$escape") eval "set -- $arg2 "'${1+"$@"}' option=$(expr "X$option" : 'X\(-.[0-9]*\)');; (--binary-*=* | --[lm]a*=* | --reg*=*) ;; (-[ABCDXdefm] | binary-* | --file | --[lm]a* | --reg*) case ${1?"$option option requires an argument"} in (*\'*) optarg=" '"$(printf '%s\n' "$1" | sed "$escape");; (*) optarg=" '$1'";; esac shift;; (-f?*\'*) optarg=" '"$(expr "X$option" : 'X-f\(.*\)' | sed "$escape") option=-f;; (-f?*) optarg=" '"$(expr "X$option" : 'X-f\(.*\)')\' option=-f;; (--file=*\'*) optarg=" '"$(expr "X$option" : 'X--file=\(.*\)' | sed "$escape") option=--file;; (--file=*) optarg=" '"$(expr "X$option" : 'X--file=\(.*\)')\' option=--file;; (--) break;; (-?*) ;; (*) case $option in (*\'*) operands="$operands '"$(printf '%s\n' "$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;; (-e* | --reg*) have_pat=1;; (-f | --file) # The pattern is coming from a file rather than the command-line. # If the file is actually stdin then we need to do a little # magic, since we use stdin to pass the gzip output to grep. # Turn the -f option into an -e option by copying the file's # contents into OPTARG. case $optarg in (" '-'" | " '/dev/stdin'" | " '/dev/fd/0'") option=-e optarg=" '"$(sed "$escape") || exit 2;; esac have_pat=1;; (--h | --he | --hel | --help) echo "$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;; (-h | --no-f*) no_filename=1;; (-V | --v | --ve | --ver | --vers | --versi | --versio | --version) echo "$version" || exit 2 exit;; esac case $option in (*\'?*) option=\'$(printf '%s\n' "$option" | sed "$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 '%s\n' "$1" | sed "$escape");; (*) grep="$grep -- '$1'";; esac shift fi if test $# -eq 0; then set -- - fi exec 3>&1 res=0 for i do # Fail if gzip or grep (or sed) fails. gzip_status=$( exec 5>&1 (gzip -cdfq -- "$i" 5>&-; echo $? >&5) 3>&- | if test $files_with_matches -eq 1; then eval "$grep" >/dev/null && { printf '%s\n' "$i" || exit 2; } elif test $files_without_matches -eq 1; then eval "$grep" >/dev/null || { 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 $i in (*' '* | *'&'* | *'\'* | *'|'*) icolon=$(printf '%s\n' "$i:" | sed -e 's/[&\|]/\\&/g' -e '$!s/$/\\/');; (*) icolon="$i:";; esac sed_script="s|^|$icolon|" # Fail if grep or sed fails. r=$( exec 4>&1 (eval "$grep" 4>&-; echo $? >&4) 3>&- | sed "$sed_script" >&3 4>&- ) && exit $r r=$? test 1 -lt $r && exit $r || exit 2 fi >&3 5>&- ) r=$? test 128 -lt $r && exit $r test "$gzip_status" -eq 0 || test "$gzip_status" -eq 2 || r=2 test $res -lt $r && res=$r done exit $res