How can I easly get the index of a grep?

[Tve]

Hi,

If I do a grep on an array, grep returns the lines where the regex was found.

I would like to return the line numbers instead of the contents. I've seen a standard solution (?somewhere?), but I can't seem to find it back.

I'm trying not to re-invent the wheel, so if somebody has this solution, it would really be appreciated. AD AUGUSTA PER ANGUSTA

Thierry

 

[justice41]

This is probably the one you are looking for

@results = grep { $array[$_] =~ /pattern/ } (0..$#array)

and this is probably not it

my @results =
        map { $_->[1] }
        grep { $_->[0] =~ /pattern/ }
        map { [ $_, $i++] }
        @array;

it's always good to have options, though.

jaa