Perl arrays

Something that we can make use of in Perl is an array. These arrays are variables that are created from lists; put simply, they are basically multi-valued variables. If we were to use a container analogy to describe a variable, it will be either a cup or a placeholder for one value. An array will be analogous to a crate. We can describe the crate with a single name but we have to include additional naming elements to access each slot within the crate. A crate can hold more than a single item, just like an array.

We saw that by using bash scripting we can pass command line arguments in the script. The arguments were using their own variable name, $1, $2, and so on. This also clashed with the name of the program, to a degree, because ...

Get Mastering Linux Shell Scripting now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.