One of our favorite nuances of the C programming language (and its descendants) is the static keyword. It’s a little bit tricky to get your head around at first, because it can have two (or three) ...

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 ...

Using macro variables is one tool for providing transaction information. SAS data set variables have been used in previous examples; another method might make use of an SCL variable. The numbers in ...