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From: | irenezerafa |
Subject: | Checking numeric arguments |
Date: | Wed, 17 Nov 2021 03:03:58 +0000 |
I want to check if arguments are numeric. Is the following a good way, using case-like patterns and using = inside double bracketing [[ ]]. if [[ "$2" = +([[:digit:]]) ]] && [[ "$3" = +([[:digit:]]) ]]; then
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