From: Simon Ruderich <simon@ruderich.org>
Date: Wed, 14 Aug 2013 13:17:29 +0000 (+0200)
Subject: Reduce duplication in compile_flag_regexp().
X-Git-Tag: 0.05~24
X-Git-Url: https://ruderich.org/simon/gitweb/?p=blhc%2Fblhc.git;a=commitdiff_plain;h=19728cda633b5ab8e207a95bb22c5b526bd239c4

Reduce duplication in compile_flag_regexp().
---

diff --git a/bin/blhc b/bin/blhc
index 3abb979..c7457d2 100755
--- a/bin/blhc
+++ b/bin/blhc
@@ -500,15 +500,17 @@ sub compile_flag_regexp {
 
     my @result = ();
     foreach my $flag (@flags) {
+        # Compile flag regexp for faster execution.
+        my $regex = qr/\s$flag(?:\s|\\)/;
+
         # Store flag name in replacement string for correct flags in messages
         # with qr//ed flag regexps.
-        $flag_renames_ref->{qr/\s$flag(?:\s|\\)/}
+        $flag_renames_ref->{$regex}
             = (exists $flag_renames_ref->{$flag})
                 ? $flag_renames_ref->{$flag}
                 : $flag;
 
-        # Compile flag regexp for faster execution.
-        push @result, qr/\s$flag(?:\s|\\)/;
+        push @result, $regex;
     }
     return @result;
 }