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fileset: array search
[perl/file-rewrite.git]
/
lib
/
File
/
Rewrite.pm
diff --git
a/lib/File/Rewrite.pm
b/lib/File/Rewrite.pm
index bb41513654d7de4fd731fdccdfcb825628df5329..2b05ded11175fc09025378089fa0fb67e8f64d6e 100644
(file)
--- a/
lib/File/Rewrite.pm
+++ b/
lib/File/Rewrite.pm
@@
-10,20
+10,46
@@
our @EXPORT_OK = qw(fileset);
sub fileset {
my ($filename, $replace, $search) = @_;
sub fileset {
my ($filename, $replace, $search) = @_;
- die if defined $replace;
my $tmpname = "$filename.$$.tmp";
my $changes = 0;
my $tmpname = "$filename.$$.tmp";
my $changes = 0;
+ $search = $replace if not defined $search;
+
+ # generate a single regex to emulate smart match
+ $search = [$search] unless ref $search eq 'ARRAY';
+ $search = join('|', map { ref $_ ? $_ : "^\Q$_\E\$" } @$search);
+
open my $src, '<', $filename;
open my $dest, '>', $tmpname;
while (readline $src) {
open my $src, '<', $filename;
open my $dest, '>', $tmpname;
while (readline $src) {
- if ($_ =~ (ref $search ? $search : qr/^\Q$search\E$/)) {
+ chomp;
+ if ($_ =~ /$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;
$changes++;
next;
+ }
}
print {$dest} $_, $/;
}
close $src;
}
print {$dest} $_, $/;
}
close $src;
+ if (defined $replace) {
+ for (ref $replace eq 'ARRAY' ? @$replace : $replace) {
+ $changes++;
+ print {$dest} $_, $/;
+ }
+ }
close $dest;
if ($changes) {
close $dest;
if ($changes) {