====== 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.