use autodie ':all';
use Exporter 'import';
+our $VERSION = '1.00';
our @EXPORT_OK = qw(fileset);
sub fileset {
- my ($filename, $replace, $search) = @_;
- die if defined $replace;
+ my ($filename, $search, $replace) = @_;
my $tmpname = "$filename.$$.tmp";
my $changes = 0;
+ $replace = $search if @_ < 3;
+
+ # generate a single regex to emulate smart match
+ $search = [$search] unless ref $search eq 'ARRAY';
+ @$search = grep { defined } @$search;
+ $search = @$search ? join('|', map { ref $_ ? $_ : "^\Q$_\E\$" } @$search) : undef;
+
open my $src, '<', $filename;
open my $dest, '>', $tmpname;
while (readline $src) {
- if ($_ =~ (ref $search ? $search : qr/^\Q$search\E$/)) {
+ chomp;
+ if (defined $search and $_ =~ /$search/s) {
+ if (ref $replace eq 'ARRAY') {
+ if (@$replace and $_ eq $replace->[0]) {
+ shift @$replace;
+ }
+ else {
+ $changes++;
+ next;
+ }
+ }
+ elsif (defined $replace and $_ eq $replace) {
+ undef $replace;
+ }
+ else {
$changes++;
next;
+ }
}
print {$dest} $_, $/;
}
close $src;
+ if (defined $replace) {
+ for (ref $replace eq 'ARRAY' ? @$replace : $replace) {
+ $changes++;
+ print {$dest} $_, $/;
+ }
+ }
close $dest;
if ($changes) {
=head1 NAME
-File::Rewrite
+File::Rewrite - Append and/or strip lines from text files
=head1 SYNOPSIS
use File::Rewrite 'fileset';
- fileset('/tmp/somefile', undef, qr/match/);
+ fileset('/tmp/somefile', qr/match/ => undef);
=head1 DESCRIPTION