check if a variable is empty
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#!/bin/bash
echo -e "Enter favorite banana"
read -r BANANA
if [[ -z "$BANANA" ]]; then
echo "No banana entered. Exiting."
exit 1
fi
This post is licensed under CC BY 4.0 by the author.
1
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#!/bin/bash
echo -e "Enter favorite banana"
read -r BANANA
if [[ -z "$BANANA" ]]; then
echo "No banana entered. Exiting."
exit 1
fi