====== 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:
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
----
===== Simple Command File =====
Assuming a command file exists with following contents:
{print $2,$3}
{print $4,$5,"\n"}
Issue the following command:
awk -f awklist test.txt
returns:
Peter Terence
Roux 45
Virginia Genevieve
Roux 45
Felix Devon
Roux 5
David Bruce
Stevenson 48
Bob James
Smith 16
Adam Winter
Ridley 23
**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.