10 our @EXPORT_OK = qw(fileset);
13 my ($filename, $search, $replace) = @_;
14 my $tmpname = "$filename.$$.tmp";
17 $replace = $search if @_ < 3;
19 # generate a single regex to emulate smart match
20 $search = [$search] unless ref $search eq 'ARRAY';
21 @$search = grep { defined } @$search;
22 $search = @$search ? join('|', map { ref $_ ? $_ : "^\Q$_\E\$" } @$search) : undef;
24 open my $src, '<', $filename;
25 open my $dest, '>', $tmpname;
26 while (readline $src) {
28 if (defined $search and $_ =~ /$search/s) {
29 if (ref $replace eq 'ARRAY') {
30 if (@$replace and $_ eq $replace->[0]) {
38 elsif (defined $replace and $_ eq $replace) {
49 if (defined $replace) {
50 for (ref $replace eq 'ARRAY' ? @$replace : $replace) {
58 rename $tmpname, $filename;
70 File::Rewrite - Append and/or strip lines from text files
74 use File::Rewrite 'fileset';
75 fileset('/tmp/somefile', qr/match/ => undef);
81 Mischa POSLAWSKY <perl@shiar.org>
85 Copyright. All rights reserved.