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 ...
Ars Technica

Finding a string common to all lines in sed/awk?

Hi,If I have a number of very similar lines of text in a file and the text on each line is usually pretty similar, what's the best way of comparing each line and finding a string which is common to ...
Network World

Manipulating text with awk, gawk and sed

The “l” at the beginning identifies /usr/bin/awk as a symbolic link. NOTE: Without the commas, the result would be “onetwothree”. Note that gawk allows you to ...
Ars Technica

string extraction/manipulation sed, awk, or perl

Greetings all,<BR> I know I should find this answer out on my own, but it drives me crazy to spend hours searching on google for something someone could probably answer in a few sentences:<BR><BR>I ...