how ot cehck if a string belongs in another string shell code example
Example 1: checking if a substring exists in a string bash
string='Haystack';
if [[ $string =~ "Needle" ]]
then
echo "It's there!"
fi
Example 2: check string in bash
#Check equality two string variables
if [ $strval1 == $strval2 ]; then
echo "Strings are equal"
else
echo "Strings are not equal"
fi
#Check equality of a variable with a string value
if [ $strval1 == "Ubuntu" ]; then
echo "Linux operating system"
else
echo "Windows operating system"
fi