Linux Journal

How to Replace a Variable in a File Using SED

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...
Ars Technica

Using sed(?) to quickly replace the 1st line of a file

I've got a 33GB .csv file. The column names in the file are wrong. I need to replace the first line with another line I have in a text file. I was thinking sed should be able to do edit in place ...
Network World

10 ways to use the sed command on Linux

sed, which stands for 'stream editor,' offers many options for selecting content from a command or a file and changing it as requested. The sed command on Linux can be used in quite a few different ...
Ars Technica

using sed to replace every second instance of whitespace with a comma

Hey<BR><BR>Im using sed to clean up some long strings that are composed of a persons name (first and last) and their address. I want to break up the strings using a comma as the delimiter.<BR><BR>I ...
Linux Journal

Text Manipulation with sed

The filter sed can process text from standard input and write its results to standard output. The input can be redirected from a file, and the output also can be redirected to a file using your ...
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 ...