-bash: [: ==: unary operator expected error. -bash: [: ==: unary operator expected error Hello.
I have searched this forum for this error but responses seem to want me to put values in quotations and I have already tried this to no avail. UNIX BASH scripting. Tutorial: Conditions in bash scripting (if statements) « Linux Tutorial Blog. If you use bash for scripting you will undoubtedly have to use conditions a lot, for example for an if … then construct or a while loop.
The syntax of these conditions can seem a bit daunting to learn and use. This tutorial aims to help the reader understanding conditions in bash, and provides a comprehensive list of the possibilities.