43 lines
1.4 KiB
Perl
Executable file
43 lines
1.4 KiB
Perl
Executable file
#!/usr/bin/perl -w
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my $vcid='$Id: touch.pl,v 1.4 2006/03/08 19:22:41 rockyb Exp $ ';
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# Copyright (C) 1997-2006 R. Bernstein email: rocky@cpan.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 2 of the License, or
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# (at your option) any later version.
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#
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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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#
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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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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use strict;
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use File::Basename;
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my $program = basename($0); # Who am I today, anyway?
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if (@ARGV != 1) {
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print "
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usage:
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$program *file*
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A perl implimentation of a minimal Unix touch command: creates file *file*
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if it does not exist. In either case, the file is given a creation
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time of the current time.
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";
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exit 100;
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}
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print "$ARGV[0]\n";
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if (-e $ARGV[0]) {
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my $now = time();
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my $count = utime $now, $now, $ARGV[0];
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exit ($count != 1);
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} else {
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open(FILE, ">$ARGV[0]") || die "Can't open $ARGV[0]: $!";
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close(FILE);
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exit $?;
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}
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