If you've ever wanted to dip your toe in a programming language, Codecademy allows you to learn basics of coding syntax through eight easy lessons that teach variables, letters and strings, editor ...

All programming languages have something called reserved words, which means you can't use them as variable names. What they varies, but if the name is sufficiently generic, there's a chance it ...

What is syntax? Programming languages require strict syntax, you cannot simply write things as you wish. Thus, some languages are case sensitive, meaning that a name written in lower case is not ...

Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we're going to introduce the concepts of simple variable substitution and ...

The GETEXEC function is analogous to the SYMGET function in the SAS macro facility. The following SASMACRO submits a DATA step that uses the GETEXEC function to retrieve the value of the REXX variable ...

In this article, we will dive into several methods for dividing variables in Bash, and you'll discover how to handle the lack of floating-point division in Bash. Using the 'expr' Command. One of the ...