Merge pull request #192 from mknos/grep-fdir

grep: directory argument to -f
briandfoy · Jul 7, 2023 · 6acaec6 · 6acaec6
2 parents 6e857b7 + 32f40e0
commit 6acaec6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/bin/grep b/bin/grep
@@ -147,6 +147,7 @@ sub parse_args {
     my $no_re = $opt{F} || ($Me =~ /\bfgrep\b/);
 
     if ($opt{f}) {                # -f patfile
+	die("$Me: $opt{f}: is a directory\n") if (-d $opt{f});
 	open PATFILE, '<', $opt{f} or die qq($Me: Can't open '$opt{f}': $!);
 
 				  # make sure each pattern in file is valid