From: Gurusamy Sarathy <gsar@cpan.org>
Date: Wed, 2 Feb 2000 06:03:04 +0000 (+0000)
Subject: more meaningful message on invalid pattern argument (from
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=b62b7eeb9524e037f1672b4b9af0384f4a094694;p=p5sagit%2Fp5-mst-13.2.git

more meaningful message on invalid pattern argument (from
Kevin Meltzer <KMeltzer@USCO.com>)

p4raw-id: //depot/perl@4945
---

diff --git a/utils/perldoc.PL b/utils/perldoc.PL
index 5dd0e1b..c4a9113 100644
--- a/utils/perldoc.PL
+++ b/utils/perldoc.PL
@@ -559,6 +559,13 @@ if ($opt_q) {
     local @ARGV = @found;	# I'm lazy, sue me.
     my $found = 0;
     my %found_in;
+    my $rx = eval { qr/$opt_q/ };
+    die <<EOD unless $rx;
+Invalid regular expression '$opt_q' given as -q pattern:
+  $@
+Did you mean \\Q$opt_q ?
+
+EOD
 
     while (<>) {
 	if (/^=head2\s+.*(?:$opt_q)/oi) {