13
votes
Accepted
POSIX sh alternative to using [[ ... ]] in Bash
Most people use case statements for option processing because it's simple and easy and it works. There are countless examples using either built-in getopts or /usr/bin/getopt or custom/hand-crafted. ...
- 84.9k
7
votes
POSIX sh alternative to using [[ ... ]] in Bash
expr and awk are two POSIX utilities that can do regexp matching. expr using basic regexp¹ and awk a variant of extended regexp². expr suffers from a number of design flaws and is usually considered ...
- 587k
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