bsgrep: add -F option.

1 files changed, 10 insertions, 2 deletions

diff --git a/bsgrep b/bsgrep
index ed57824..26f247e 100755
--- a/bsgrep
+++ b/bsgrep
@@ -29,11 +29,11 @@ $SIG{__WARN__} = sub {
 };
 
 sub grep_usage {
-	print "usage: $self [--help | --version | -[iklnrsvwqz] [-d char] ...] <regex> [<file> ...]\n";
+	print "usage: $self [--help | --version | -[Fhiklnrsvwqz] [-d char] ...] <regex> [<file> ...]\n";
 }
 
 sub grep_options {
-	getopts('d:hiklnqrsvwz', \%opt) || exit 1;
+	getopts('d:Fhiklnqrsvwz', \%opt) || exit 1;
 	if($opt{h}) {
 		grep_usage();
 		exit(0);
@@ -96,6 +96,7 @@ if($self =~ /join/) {
 		grep_usage();
 		die("$self: missing required regex argument\n");
 	}
+	$regex = quotemeta($regex) if $opt{F};
 	$regex = "(?i)$regex" if $opt{i};
 }
 
@@ -255,6 +256,10 @@ These options are only supported by B<bsgrep>:
 
 =over 4
 
+=item -F
+
+Treat pattern(s) as fixed strings, not regular expression(s). Same as B<grep>.
+
 =item -i
 
 Case-insensitive search (same as B<grep>).
@@ -355,6 +360,9 @@ B<grep>'s exit status.
 
 =head1 LIMITATIONS
 
+B<bsgrep> doesn't detect binary files like B<grep> does. It can and
+will print them to your terminal instead of "binary file matches".
+
 Not all b<grep> options are supported. Options that aren't implemented
 but might be someday include B<--color>, B<-a>, B<-A>, B<-B>, B<-C>, B<-o>.
 I don't intend to implement every single option B<grep> has, there are