- my $self = shift; # is a dxchan
- my $ref = shift; # is a thingy with field_prompt and fields methods defined
- my @out = @_;
-
- my @fields = $ref->fields;
- my $field;
- my @out;
-
- foreach $field (sort @fields) {
- my ($priv, $ans) = promptf($ref->field_prompt($field), $ref->{$field});
- push @out, $ans if ($self->priv >= $priv);
- }
- return @out;
+ my $self = shift; # is a dxchan
+ my $ref = shift; # is a thingy with field_prompt and fields methods defined
+ my @out;
+ my @fields = $ref->fields;
+ my $field;
+
+ foreach $field (sort {$ref->field_prompt($a) cmp $ref->field_prompt($b)} @fields) {
+ if (defined $ref->{$field}) {
+ my ($priv, $ans) = promptf($ref->field_prompt($field), $ref->{$field});
+ push @out, $ans if ($self->priv >= $priv);
+ }
+ }
+ return @out;
+}
+
+# generate a regex from a shell type expression
+# see 'perl cookbook' 6.9
+sub shellregex
+{
+ my $in = shift;
+ $in =~ s{(.)} { $patmap{$1} || "\Q$1" }ge;
+ return '^' . $in . "\$";