[jasonpeacock]

Long ago, I bought the O'Reilly "Sed & Awk" book with plans to become a true unix guru.

Then I realized I already knew Perl (and Perl one-liners), so there it sat unused on the shelf.

[stvltvs]

Mostly it's useful in my experience on systems without Perl installed, but that doesn't often come up in my world.