Tag: learn bash scripting

Bash has several internal variables and in this article we will look at the variable $$. What does this variable[…]

If you are working with Linux at some point you will likely start writing Bash scripts. The more your code[…]

The Bash array data type gives you a lot of flexibility in the creation of your shell scripts. Bash provides[…]

Knowing how to replace a string in a file helps if you want to create Bash scripts to automate the[…]

One of the basic things required in Bash is detecting the number of arguments passed to a script. The reason[…]

The first time I saw the error “Bash Unary Operator Expected” in the Linux terminal I thought:”And now? What do[…]

Sometimes while writing a Bash script I have seen the Bad substitution syntax error and looking at forums I realised[…]

The export command is a built-in command of the Bash shell that is very handy to know when you work[…]

Have you ever seen the message “syntax error near unexpected token” while running one of your Bash scripts? In this[…]

We usually want a script to run fast, but that’s not always the case. Sometimes it makes sense for our[…]