shell scripting: grepping multiple patterns, logically ANDed (solved)

Wojciech Puchar wojtek at
Tue Jul 10 14:49:08 UTC 2012

> Ironically, it runs even faster than the /bin/sh + find(1) version,
> go figure.
unix shell was never intended to execute scripts fast, it is usually 
slower even than python.

unix shell is designed to automate things quickly.

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