X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/952306aca140c014b38ba5eb2ed71dffaa548f0f..b4222fa9a30f89a491b9910b750d8aa7895a0e77:/keywords.pl

diff --git a/keywords.pl b/keywords.pl
index 441d04b..7ce010e 100755
--- a/keywords.pl
+++ b/keywords.pl
@@ -1,10 +1,21 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -w
+# 
+# Regenerate (overwriting only if changed):
+#
+#    keywords.h
+#
+# from information stored in the DATA section of this file.
+#
+# Accepts the standard regen_lib -q and -v args.
+#
+# This script is normally invoked from regen.pl.
+
+use strict;
 
 require 'regen_lib.pl';
-safer_unlink ("keywords.h");
-open(KW, ">keywords.h") || die "Can't create keywords.h: $!\n";
-binmode KW;
-select KW;
+
+my $kw = safer_open("keywords.h-new");
+select $kw;
 
 print <<EOM;
 /* -*- buffer-read-only: t -*-
@@ -12,7 +23,7 @@ print <<EOM;
  *    keywords.h
  *
  *    Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2005,
- *    2006, by Larry Wall and others
+ *    2006, 2007, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -25,22 +36,24 @@ EOM
 
 # Read & print data.
 
-$keynum = 0;
+my $keynum = 0;
 while (<DATA>) {
     chop;
     next unless $_;
     next if /^#/;
-    ($keyword) = split;
+    my ($keyword) = split;
     print &tab(5, "#define KEY_$keyword"), $keynum++, "\n";
 }
 
-print KW "\n/* ex: set ro: */\n";
+print $kw "\n/* ex: set ro: */\n";
+
+safer_close($kw);
 
-close KW or die "Error closing keywords.h: $!";
+rename_if_different("keywords.h-new", "keywords.h");
 
 ###########################################################################
 sub tab {
-    local($l, $t) = @_;
+    my ($l, $t) = @_;
     $t .= "\t" x ($l - (length($t) + 1) / 8);
     $t;
 }
@@ -55,6 +68,7 @@ __DATA__
 __END__
 AUTOLOAD
 BEGIN
+UNITCHECK
 CORE
 DESTROY
 END
@@ -103,7 +117,6 @@ endpwent
 endservent
 eof
 eq
-err
 eval
 exec
 exists