bash if null or empty
if [ -z "$variable" ];
then echo "$variable is null";
else echo "$variable is not null";
fibash if null or empty
if [ -z "$variable" ];
then echo "$variable is null";
else echo "$variable is not null";
fibash if equal
Use == operator with bash if statement to check if two strings are equal.
You can also use != to check if two string are not equal.
You must use single space before and after the == and != operators.Copyright © 2021 Codeinu
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