Wiki

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.
====== AWK - AWK Commands ======

Commands used by AWK can come from two locations:

  * They can be specified on the command line.
  * Alternatively they can come from a source file.  If such is the case, AWK is alerted to this occurrence by means of the **-f** option.

----

Assuming a file, **test.txt**, exists with the following contents:

<file>
10   Peter     Terence   Roux        45
11   Virginia  Genevieve  Roux       45
12   Felix     Devon     Roux         5
13   David     Bruce     Stevenson   48
14   Bob       James     Smith       16
48   Adam      Winter    Ridley      23
</file>

----


===== Simple Command File =====

Assuming a command file exists with following contents:

<file awk awklist>
{print $2,$3}
{print $4,$5,"\n"}
</file>

Issue the following command:

<code awk>
awk -f awklist test.txt
</code>

returns:

<code>
Peter Terence
Roux 45

Virginia Genevieve
Roux 45

Felix Devon
Roux 5

David Bruce
Stevenson 48

Bob James
Smith 16

Adam Winter
Ridley 23
</code>

<WRAP info>
**NOTE:**  The apostrophes are not used anywhere within the source file or when calling it at the command line.

  * They are only for use in differentiating the commands on the command line from file names.

</WRAP>