All sed commands require a function to tell them what to
do; the command itself is a combination of an address and a
function. Functions are named by a single character. The following
types of function are available:
Whole-line oriented functions that add, delete, and change whole
Substitute functions that search and substitute regular expressions
within a line.
Input-output functions that read and write lines and/or files.
Multiple input-line functions that match patterns that extend across
Hold and get functions that save and retrieve input text for later
Flow-of-control functions that control the order of application of
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004