The awk command is a versatile text-processing tool in Linux. It filters and manipulates files using patterns, conditions, and actions. It supports a wide range of scenarios, making it straightforward ...

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, ...

In the world of Linux, the command line is an incredibly powerful tool for managing and manipulating data. One of the most common tasks that Linux users face is processing and extracting information ...

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

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 ...