In plain old make you use them the same way you use curly braces in shell scripts. If it is in a shell script, then the the parenthesis signify subshell evaluation.

Best Practices in Shell Scripting Writing Maintainable Code - Write clear, well-commented scripts. Use descriptive variable names and adhere to a consistent coding style. Security Considerations - Be ...

Ok, I can't script my way out of a papper bag, so I need help with this.I declare some variables at the prompt:export catname=Fluffyexport dogname=SpotI make a no-executable file called text.dat ...

A special variable that I use with great frequency for helping create temporary file names is $$, which expands to the current process ID in the system. For example: $ echo $$ 3243 If you're doing a ...

One of the delights in Bash, zsh, or whichever shell tickles your fancy in your OSS distribution of choice, is the ease of which you can use scripts. These can be shell scripts, or use the Perl, ...

Every time we publish a Linux hack that uses a shell script, someone will chime in about how awful it is to program shell scripts. While we like the ubiquity and efficiency, we can’t disagree that the ...

PowerShell scripters have a few choices in the editor they can use to write code. Options range from the PowerShell Integrated Script Environment, Visual Studio Code, Visual Studio, Notepad++ and more ...