How To Check If a File or Directory Exists Using Shell Script?

One of the common tasks in shell scripting in Linux/Mac OS, checking if a file or directory exists already and to create the file/directory if it does not exists. Here is how to check if a file or directory exists in Linux shell script. The basic syntax to check if a file exists is and […]

Understanding Variables in Shell Scripting

A number of beautiful and powerful programming languages, like Python, Ruby, and Perl are available for scripting needs. Even then you may find the old school unix shell scripting very useful tool to learn and use. For sure, shell scripts looks crazy and hard to read/understand. Once you get a hang of it, you might […]