80 lines
2.4 KiB
Perl
Executable file
80 lines
2.4 KiB
Perl
Executable file
:
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eval 'exec perl -S $0 ${1+"$@"}'
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if 0;
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#*************************************************************************
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#
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# Copyright 2008 by Sun Microsystems, Inc.
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#
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# OpenOffice.org - a multi-platform office productivity suite
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#
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# $RCSfile: diffmv.pl,v $
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#
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# $Revision: 1.4 $
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#
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# This file is part of OpenOffice.org.
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#
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# OpenOffice.org is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# only, as published by the Free Software Foundation.
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#
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# OpenOffice.org 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 Lesser General Public License version 3 for more details
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# (a copy is included in the LICENSE file that accompanied this code).
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#
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# You should have received a copy of the GNU Lesser General Public License
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# version 3 along with OpenOffice.org. If not, see
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# <http://www.openoffice.org/license.html>
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# for a copy of the LGPLv3 License.
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#
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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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