111 lines
3.6 KiB
Perl
Executable file
111 lines
3.6 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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# $RCSfile: diffmv.pl,v $
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#
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# $Revision: 1.2 $
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#
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# last change: $Author: obo $ $Date: 2004-11-19 11:41:20 $
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#
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# The Contents of this file are made available subject to the terms of
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# either of the following licenses
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#
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# - GNU Lesser General Public License Version 2.1
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# - Sun Industry Standards Source License Version 1.1
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#
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# Sun Microsystems Inc., October, 2000
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#
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# GNU Lesser General Public License Version 2.1
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# =============================================
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# Copyright 2000 by Sun Microsystems, Inc.
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# 901 San Antonio Road, Palo Alto, CA 94303, USA
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License version 2.1, as published by the Free Software Foundation.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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#
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# Sun Industry Standards Source License Version 1.1
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# =================================================
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# The contents of this file are subject to the Sun Industry Standards
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# Source License Version 1.1 (the "License"); You may not use this file
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# except in compliance with the License. You may obtain a copy of the
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# License at http://www.openoffice.org/license.html.
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#
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# Software provided under this License is provided on an "AS IS" basis,
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# WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
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# WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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# MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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# See the License for the specific provisions governing your rights and
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# obligations concerning the Software.
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#
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# The Initial Developer of the Original Code is: Sun Microsystems, Inc..
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#
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# Copyright: 2000 by Sun Microsystems, Inc.
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#
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# All Rights Reserved.
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#
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# Contributor(s): _______________________________________
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#
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#
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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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