Question

i am fixing a given shell script and i am getting following error message

line 322: [: ==: unary operator expected

this error is returned from this line.

 if [ $4 == "managed?.out" ];then

could someone explain me what makes this error

Also could someone explain what is the purpose of using ? in the”managed?.out”

thanks in advance for any help

Answer 1

You need to quote $4:

if [ "$4" == "managed?.out" ];then