January 2001
Intermediate to advanced
480 pages
7h 22m
English
Content preview from Korn Shell: Unix and Linux Programming Manual, Third Edition, The
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Arithmetic Substitution
An arithmetic expression enclosed in double parentheses preceded by a dollar sign ($(())) is replaced by the value of the arithmetic expression within the double parentheses.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.