The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential ...

In the world of Linux, the command line is an incredibly powerful tool for managing and manipulating data. One of the most common ...

The moment you chain 7 commands including awk or write a shell script with many subroutines is time to consider a "real" language like perl or python, or even c/c++/java. File operations are a bit ...