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6 Perl One-Liners to Replace Common Linux Utilities

While other scripting languages have gained popularity, Perl remains a popular choice due to its robust text processing ...
Ars Technica

Unix legend, who owes us nothing, keeps fixing foundational AWK code

A Princeton professor, finding a little time for himself in the summer academic lull, emailed an old friend a couple months ago. Brian Kernighan said hello, asked how their friend’s US visit was going ...
Network World

Removing duplicate characters from a string on Linux with awk

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 ...