OT?: Hledani v textovem dokumentu

[Kaper]

> 
> perl -n -e ' \d{5,} seconds' menosuboru
> 
Takovehle "quick" jednoradkove perleni me zaujalo, ale kdyz jsem to
zkousel, vratilo mi to tohle:

Can't call method "d" without a package or object reference at -e line
1, <> line 1.

???