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you can use $((5+5)) if you want to do arithmetic in a bash shell. Most of the time that's all that's needed.
by chocolatebunny 10y ago
you can use $((5+5)) if you want to do arithmetic in a bash shell. Most of the time that's all that's needed.
- smhenderson 10y agoBut when it was written when there was no bash. Or even sh. It was written in B before the C programming language was created.