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#-*- perl -*-
#
# Copyright (C) 2001 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: delete.pl,v 1.5 2002/04/01 23:41:14 fukachan Exp $
#
use strict;
use Carp;
my $org_file = "/etc/passwd";
my $file = "/tmp/passwd";
my $tmpf = "/tmp/passwd.tmp";
my $map = "file:". $file;
my $buffer = 'root';
### MAIN ###
print "${map}->delete() ";
# prepare
system "head -1 $org_file | tr ':' ' ' > $tmpf";
system "cat $org_file | tr ':' ' ' > $file";
# orignal
my $orgbuf = GetContent($file);
# append
use IO::Adapter;
my $obj = new IO::Adapter $map;
$obj->delete( $buffer ) || croak("cannot add to $map");
if ($obj->error) { croak( $obj->error );}
# verify the result
# assemble the original from the deleted line and modified file itself.
my $buf = GetContent($tmpf) . GetContent($file);
if ($buf eq $orgbuf) {
print " ... ok\n";
}
else {
print " ... fail <$buf> ne <$orgbuf>\n";
}
$map = 'unix.group:fml';
print "${map}->delete() ... ";
$obj = new IO::Adapter $map;
eval q{ $obj->delete( $buffer ); };
if ($@) {
print "ok\n"; # XXX fail (non null $@) is ok here.
}
else {
print "fail" unless $@;
print "<", $obj->error, ">" if $obj->error;
print "\n";
}
exit 0;
sub GetContent
{
my ($file) = @_;
my $buf;
use FileHandle;
my $fh = new FileHandle $file;
while (<$fh>) { $buf .= $_;}
close($fh);
$buf;
}
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