substring if statement variable shell script code example
Example 1: bash substring test
#!/bin/bash
STR='GNU/Linux is an operating system'
SUB='Linux'
if [[ "$STR" == *"$SUB"* ]]; then
echo "It's there."
fi
Example 2: substring if statement variable shell script
if echo "$string" | grep 'foo'; then
echo "It's there!"
fi
Example 3: substring if statement variable shell script
string="My string"
Example 4: bash substring test
#!/bin/bash
STR='GNU/Linux is an operating system'
SUB='Linux'
case $STR in
*"$SUB"*)
echo -n "It's there."
;;
esac
Example 5: substring if statement variable shell script
if [ $string ?? 'foo' ]; then
echo "It's there!"
fi