Text::Wrap maintained via the CPAN release

[perl5.git] / regen_lib.pl

diff --git a/regen_lib.pl b/regen_lib.pl
index 8249265..6735bb9 100644 (file)
--- a/regen_lib.pl
+++ b/regen_lib.pl
@@ -1,6 +1,7 @@
 #!/usr/bin/perl -w
 use strict;
-use vars qw($Is_W32 $Is_OS2 $Is_Cygwin $Is_NetWare $Needs_Write);
+use vars qw($Is_W32 $Is_OS2 $Is_Cygwin $Is_NetWare $Needs_Write $Verbose
+           @Changed);
 use Config; # Remember, this is running using an existing perl
 use File::Compare;
 use Symbol;
@@ -17,6 +18,14 @@ if ($Is_NetWare) {
 
 $Needs_Write = $Is_OS2 || $Is_W32 || $Is_Cygwin || $Is_NetWare;
 
+$Verbose = 0;
+@ARGV = grep { not($_ eq '-q' and $Verbose = -1) }
+  grep { not($_ eq '-v' and $Verbose = 1) } @ARGV;
+
+END {
+  print STDOUT "Changed: @Changed\n" if @Changed;
+}
+
 sub safer_unlink {
   my @names = @_;
   my $cnt = 0;
@@ -44,11 +53,12 @@ sub rename_if_different {
   my ($from, $to) = @_;
 
   if (compare($from, $to) == 0) {
-      warn "no changes between '$from' & '$to'\n";
+      warn "no changes between '$from' & '$to'\n" if $Verbose > 0;
       safer_unlink($from);
       return;
   }
-  warn "changed '$from' to '$to'\n";
+  warn "changed '$from' to '$to'\n" if $Verbose > 0;
+  push @Changed, $to unless $Verbose < 0;
   safer_rename_silent($from, $to) or die "renaming $from to $to: $!";
 }
 
@@ -57,8 +67,14 @@ sub safer_open {
     my $name = shift;
     my $fh = gensym;
     open $fh, ">$name" or die "Can't create $name: $!";
+    *{$fh}->{SCALAR} = $name;
     binmode $fh;
     $fh;
 }
 
+sub safer_close {
+    my $fh = shift;
+    close $fh or die 'Error closing ' . *{$fh}->{SCALAR} . ": $!";
+}
+
 1;