gawk: Patterns and Actions

1 
1 7 Patterns, Actions, and Variables
1 **********************************
1 
1 As you have already seen, each 'awk' statement consists of a pattern
1 with an associated action.  This major node describes how you build
1 patterns and actions, what kinds of things you can do within actions,
1 and 'awk''s predefined variables.
1 
1    The pattern-action rules and the statements available for use within
1 actions form the core of 'awk' programming.  In a sense, everything
1 covered up to here has been the foundation that programs are built on
1 top of.  Now it's time to start building something useful.
1 

Menu

1 
· Pattern Overview            What goes into a pattern.
· Using Shell Variables       How to use shell variables with 'awk'.
· Action Overview             What goes into an action.
· Statements                  Describes the various control statements in
1                                 detail.
· Built-in Variables          Summarizes the predefined variables.
· Pattern Action Summary      Patterns and Actions summary.
1