david wong

Hey! I'm David, a security consultant at Cryptography Services, the crypto team of NCC Group . This is my blog about cryptography and security and other related topics that I find interesting.

Sed and Awk tutorials

posted January 2015

I just ran into amazing tutorials for sed and awk, two famous text processing tools on unix.

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Sed

$ echo day | sed s/day/night/ 
night

http://www.grymoire.com/Unix/sed.html

Awk

http://www.grymoire.com/Unix/Awk.html

What know?

There are still many text processing tools I need to learn, like strip, strings, xdd, grep, tr, xargs, cut, sort, tail, split, wc, uniq...

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