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| DATE | 2021-12-14 |
| FROM | From: "nixCraft: Linux Tips, Hacks, Tutorials,
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| SUBJECT | Subject: [Hangout - NYLXS] nixCraft Linux / UNIX Newsletter
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Date: Tue, 14 Dec 2021 20:59:39 +0000
From: "nixCraft: Linux Tips, Hacks, Tutorials,
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Subject: [Hangout - NYLXS] nixCraft Linux / UNIX Newsletter
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nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format (RSS/FEED)
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Bash Shell: Find Out If a Variable Is Set or Not
Posted: 14 Dec 2021 10:26 AM PST
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{Updated} How do I show an error when a shell variable such as $1 is not
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///////////////////////////////////////////
Bash Shell: Find Out If a Variable Is Set or Not
Posted: 14 Dec 2021 10:26 AM PST
https://www.cyberciti.biz/faq/linux-unix-howto-check-if-bash-variable-defined-not/
{Updated} How do I show an error when a shell variable such as $1 is not
set and exit with an error?
The post Bash Shell: Find Out If a Variable Is Set or Not appeared first on
nixCraft.
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