Let's see: I have an ancient laptop, that dual-boots Linux Mint and Win10. I usually use Linux because it boots faster, and it's first in the Grub list. I ordinarily use the Terminal only to start up ...
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 ...
awk does a lot of common work for you when you use it to process text files. It reads files a record at a time. Normally, a record is a single line. Then it splits the line on fields using whitespace, ...
The purpose of this article is to demonstrate that real programs can be and are written using the AWK programming language. When I first started working with UNIX, going back 10 years now, no one I ...
While other scripting languages have gained popularity, Perl remains a popular choice due to its robust text processing capabilities. It's easy to create "one-liners," or very short scripts, that can ...
awk is a programming language optimized for text processing. It takes less code than sed or perl, where the input is field-based. bash and other interactive shells don't have the same capabilities ...
Many years ago, probably close to 20, a regular point was made on the comp Usenet newsgroups about using the minimum tool to get the job done. That is, someone would ask for a quick and dirty way to ...
I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required for ...