Awk does a lot more than select a column from a file or an input stream. It can select columns from selected rows. It can calculate totals, extract substrings, reverse the order of fields and provide ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

ITworld.com – One of the more frustrating aspects of learning Unix, or just about any computer language for that matter, is trying to recall the names of unfamiliar commands. This is especially ...