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:
eval 'exec perl -S $0 ${1+"$@"}'
if 0;
#*************************************************************************
#
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# Copyright 2000, 2010 Oracle and/or its affiliates.
#
# OpenOffice.org - a multi-platform office productivity suite
#
# This file is part of OpenOffice.org.
#
# OpenOffice.org is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# only, as published by the Free Software Foundation.
#
# OpenOffice.org 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 Lesser General Public License version 3 for more details
# (a copy is included in the LICENSE file that accompanied this code).
#
# You should have received a copy of the GNU Lesser General Public License
# version 3 along with OpenOffice.org. If not, see
# <http://www.openoffice.org/license.html>
# for a copy of the LGPLv3 License.
#
#*************************************************************************
my ( $srcfile, $destfile ) = @ARGV;
my ( @srclines, @destlines );
my $dest_existing = 0;
@destlines = ();
usage() if ( ! defined $srcfile || ! defined $destfile);
open(SRCFILE, "$srcfile") or die "ERROR: Can't open $srcfile\n";
@srclines = <SRCFILE>;
close SRCFILE;
if ( -f $destfile ) {
open(DESTFILE, "$destfile") or die "ERROR: Can't open $destfile\n";
@destlines = <DESTFILE>;
close DESTFILE;
$dest_existing = 1;
}
if ( ! check_if_lists_equal(\@srclines, \@destlines) ) {
print STDERR "Updating \"$destfile\".\n";
unlink "$destfile" or die "ERROR: Can't remove old $destfile\n" if ( $dest_existing );
rename "$srcfile", "$destfile" or die "ERROR: Can't rename $srcfile to $destfile\n";
} else {
print STDERR "\"$destfile\" unchanged.\n";
}
sub check_if_lists_equal
{
my ( $srclist_ref, $destlist_ref ) = @_;
my @srclist = @{ $srclist_ref };
my @destlist = @{ $destlist_ref };
return 0 if ( $#srclist != $#destlist );
for ( my $i = 0; $i < $#srclist; $i++ ) {
return 0 if ( $srclist[$i] ne $destlist[$i]);
}
return 1;
}
sub usage
{
print STDERR "Usage: diffmv sourcefile destfile\n";
print STDERR "Do move diffing file only\n";
exit 1;
}
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