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 ...

I use awk all the time, but generally only to conveniently pull a particular field out of data that I’m workin with. Regardless of the separator used, awk makes it easy to extract just what you need.

I never used awk except when reading other people's scripts, because perl could do awk stuff almost as easily, while also allowing you to expand seamlessly into more complicated tasks that would be ...