How To Properly Specify Command and Arguments to Exec in Perl

Author: erics, December 11th, 2019

When using Perl’s exec() call, the best way to invoke it is as follows:

This syntax does some important things: – passes a scalar value as the first argument which exec interprets as PROGRAM – passes an array as the second argument which exec will use as the arguments to pass into PROGRAM Note […]

Categories: How-To's, Technology Tags: Arg, Args, Argument, Arguments, bash, Exec, Execute, perl, Program, sh, Shell, System | No comments

How To Pass Hashes As Subroutine Arguments In Perl

Author: erics, August 19th, 2011

A small step forwards in understanding how Perl handles hashes as arguments. This biggest difference is that the first way “slurps” in ALL passed values in @_ into the %args hash. The second (cooler) way, pulls in the arguments hash as a single scalar variable, allowing multiple variables to be passed via @_, if you […]

Categories: How-To's, Technology Tags: Argument, Hash, howto, perl, Subroutine, tips | No comments