53 lines
1.4 KiB
Perl
53 lines
1.4 KiB
Perl
# PIKA - Photo and Image Kooker Application
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# Copyright (C) 1998-2003 Manish Singh <yosh@gimp.org>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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package Pika::CodeGen::util;
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use File::Basename 'basename';
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use File::Copy 'cp';
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use File::Compare 'cmp';
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$DEBUG_OUTPUT = exists $ENV{PDBGEN_BACKUP} ? $ENV{PDBGEN_BACKUP} : 1;
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$FILE_EXT = ".tmp.$$";
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sub write_file {
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my $file = shift;
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my $destdir = shift;
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my $realfile = basename($file);
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$realfile =~ s/$FILE_EXT$//;
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$realfile = "$destdir/$realfile";
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if (-e $realfile) {
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if (cmp($realfile, $file)) {
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cp($realfile, "$realfile~") if $DEBUG_OUTPUT;
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cp($file, $realfile);
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print "Wrote $realfile\n";
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}
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else {
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print "No changes to $realfile\n";
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}
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unlink $file;
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}
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else {
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rename $file, $realfile;
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print "Wrote $realfile\n";
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}
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}
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1;
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