sed

sed [options] [files]

Stream editor. Edit one or more files without user interaction. See Chapter 10, The sed Editor, for more information on sed. The -e and -f options may be provided multiple times, and they may be used with each other.

Options

-e 'instruction'

Apply the editing instruction to the files.

-f script

Apply the set of instructions from the editing script.

-n

Suppress default output.