Mac OS X Tiger in a Nutshell

Name

sed

Synopsis

sed [options] [files]

Streams editor. Edits one or more files without user interaction. For more information on sed, see sed and awk (O’Reilly). The -e and -f options may be provided multiple times, and they may be used with each other.

Options

-a

Treat all files as text and compare them.

-e instruction

Apply the editing instruction to the files.

-E

Use extended regular expressions.

-f script

Apply the set of instructions from the editing script.

-i extension

Edit files in place, saving the original files with extension appended. If extension is not specified, no backups are made.

-n

Suppress default output.