diff --git a/src/scripts/xzgrep.in b/src/scripts/xzgrep.in index e5186baf..fce7940a 100644 --- a/src/scripts/xzgrep.in +++ b/src/scripts/xzgrep.in @@ -63,13 +63,28 @@ while test $# -ne 0; do optarg= case $option in - (-[0123456789abcdhHiIKLlnoqrRsTuUvVwxyzZ]?*) + (-[0123456789abcdEFGhHiIKlLnoPqrRsTuUvVwxyzZ]*[!0123456789]*) + # Something like -Fiv was specified, that is, $option contains more + # than one option of which the first option (in this example -F) + # doesn't take an argument. Split the first option into a standalone + # argument and continue parsing the rest of the options (in this example, + # replace -Fiv with -iv in the argument list and set option=-F). + # + # If there are digits [0-9] they are treated as if they were a single + # option character because this syntax is an alias for -C for GNU grep. + # For example, "grep -25F" is equivalent to "grep -C25 -F". If only + # digits are specified like "grep -25" we don't get here because the + # above pattern in the case-statement doesn't match such strings. arg2=-\'$(expr "X${option}X" : 'X-.[0-9]*\(.*\)' | sed "$escape") eval "set -- $arg2 "'${1+"$@"}' option=$(expr "X$option" : 'X\(-.[0-9]*\)');; (--binary-*=* | --[lm]a*=* | --reg*=*) + # These options require an argument and an argument has been provided + # with the --foo=argument syntax. All is good. ;; - (-[ABCDefm] | --binary-* | --file | --[lm]a* | --reg*) + (-[ABCDefmX] | --binary-* | --file | --[lm]a* | --reg*) + # These options require an argument which should now be in $1. + # If it isn't, display an error and exit. case ${1?"$option option requires an argument"} in (*\'*) optarg=" '"$(printf '%sX\n' "$1" | sed "$escape");;