gimp/tools/pdbgen/util.pl

48 lines
1.3 KiB
Perl

# The GIMP -- an image manipulation program
# Copyright (C) 1998-2000 Manish Singh <yosh@gimp.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
package Gimp::CodeGen::util;
use File::Copy 'cp';
use File::Compare 'cmp';
$DEBUG_OUTPUT = exists $ENV{PDBGEN_BACKUP} ? $ENV{PDBGEN_BACKUP} : 1;
$FILE_EXT = ".tmp.$$";
sub write_file {
my $file = shift; my $realfile = $file;
$realfile =~ s/$FILE_EXT$//;
if (-e $realfile) {
if (cmp($realfile, $file)) {
cp($realfile, "$realfile~") if $DEBUG_OUTPUT;
cp($file, $realfile);
print "Wrote $realfile\n";
}
else {
print "No changes to $realfile\n";
}
unlink $file;
}
else {
rename $file, $realfile;
print "Wrote $realfile\n";
}
}
1;