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[Check command is installed] Cheatsheet to check if command is installed #zsh #shell #cheatsheet
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| #!/usr/bin/env zsh | |
| # | |
| # Check command is installed | |
| # | |
| if ! [ -x "$(command -v jq)" ]; then | |
| echo 'Error: jq is not installed. Please install it to run this command' >&2 | |
| exit 127 | |
| fi |
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