forked from amazingfate/loongoffice
68 lines
2.0 KiB
Perl
68 lines
2.0 KiB
Perl
:
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eval 'exec perl -S $0 ${1+"$@"}'
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if 0;
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# This file incorporates work covered by the following license notice:
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed
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# with this work for additional information regarding copyright
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# ownership. The ASF licenses this file to you under the Apache
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# License, Version 2.0 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.apache.org/licenses/LICENSE-2.0 .
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#
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my ( $srcfile, $destfile ) = @ARGV;
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my ( @srclines, @destlines );
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my $dest_existing = 0;
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@destlines = ();
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usage() if ( ! defined $srcfile || ! defined $destfile);
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open(SRCFILE, "$srcfile") or die "ERROR: Can't open $srcfile\n";
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@srclines = <SRCFILE>;
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close SRCFILE;
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if ( -f $destfile ) {
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open(DESTFILE, "$destfile") or die "ERROR: Can't open $destfile\n";
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@destlines = <DESTFILE>;
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close DESTFILE;
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$dest_existing = 1;
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}
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if ( ! check_if_lists_equal(\@srclines, \@destlines) ) {
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print STDERR "Updating \"$destfile\".\n";
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unlink "$destfile" or die "ERROR: Can't remove old $destfile\n" if ( $dest_existing );
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rename "$srcfile", "$destfile" or die "ERROR: Can't rename $srcfile to $destfile\n";
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} else {
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print STDERR "\"$destfile\" unchanged.\n";
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}
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sub check_if_lists_equal
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{
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my ( $srclist_ref, $destlist_ref ) = @_;
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my @srclist = @{ $srclist_ref };
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my @destlist = @{ $destlist_ref };
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return 0 if ( $#srclist != $#destlist );
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for ( my $i = 0; $i < $#srclist; $i++ ) {
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return 0 if ( $srclist[$i] ne $destlist[$i]);
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}
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return 1;
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}
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sub usage
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{
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print STDERR "Usage: diffmv sourcefile destfile\n";
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print STDERR "Do move diffing file only\n";
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exit 1;
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}
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