Created
June 11, 2020 15:09
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| Bash Shell Find Out If a Variable Is Empty Or Not | |
| Let us see syntax and examples in details. The syntax is as follows for if command: | |
| if [ -z "$var" ] | |
| then | |
| echo "\$var is empty" | |
| else | |
| echo "\$var is NOT empty" | |
| fi | |
| OR | |
| if test -z "$var" | |
| then | |
| echo "\$var is empty" | |
| else | |
| echo "\$var is NOT empty" | |
| fi |
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| BASH / Shell | |
| How to Check if a File or Directory Exists in Bash | |
| https://linuxize.com/post/bash-check-if-file-exists/#conclusion | |
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