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chmod: show which option is wrong #982

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Merged
merged 1 commit into from
Mar 5, 2025
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chmod: show which option is wrong #982

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8 changes: 4 additions & 4 deletions bin/chmod
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,12 @@ while (@ARGV && $ARGV [0] =~ /^-/) {
my $opt = reverse shift;
chop $opt;
last if ($opt eq '-');
unless ($opt =~ /^[RHLP]+$/) {
warn "$Program: invalid option -- $opt\n";
usage();
}
local $_;
while (length ($_ = chop $opt)) {
unless (m/\A[RHLP]\Z/) {
warn "$Program: invalid option -- '$_'\n";
usage();
}
/R/ && do {$options {R} = 1; next};
usage() unless $options{'R'};
/H/ && do {$options {L} = $options {P} = 0; $options {H} = 1; next};
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