CentOS System Administration Essentials

Search and replace

So we are not exactly on a "search and destroy" mission, but if it helps by adding a little enjoyment to our learning, then we can embark upon a search and replace mission. Linux has a huge amount of power available on the command line and nothing less than the stream editor, sed. Even without entering the Vim editor, we can search for and replace text in a single file or even across multiple files. Not having to use an interactive editor opens up more administrative scope to us by being able to script updates across a single or many servers. The functionality we have in the sed command is available to us for use from within Vim or as a standalone application. We will be learning in this subsection how to search for and replace ...