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 ...

The awk programming language often gets overlooked for Perl, which is a more capable language. Out in the real world, however awk is found even more ubiquitously than Perl. It also has a smaller ...

The goal here is to remove duplicate entries from the PATH variable. But before I begin, let's be clear: there's no compelling reason to to do this. The shell will, in essence, ignore duplicates PATH ...