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in reply to Argdom.pm

Well, another command-line-parsing-module ... but I must say, I prefer Getopt::Long which is a core module and therefore available everywhere. In addition to that, there are plenty of tests for Getopt::Long, it is more flexible and easier to use (eg. no need to define subs that match the arguments by hand). Apart from that, your module has a couple of problems, eg. it doesn't need Exporter, has a inconsistent interface (why can I say my @singles = $a->getSingles; but not my %keyvals = $a->getKeys), ...

To underline my point, I have rewritten the script given in your POD using Getopt::Long. The only difference is that '-4Adam;Barbara' is now written as two arguments -4 and 'Adam;Barbara'. Btw, your script as given doesn't compile, it uses croak without use Carp; - I have replaced that with a simple warn.

use strict; use warnings; use Getopt::Long; my $usage_msg = <<'EOHELP'; greeter is a sample program for Argdom.pm. --help | -h displays this help message and quits. -o outfile is the file to which the output is written. Can be many, as + in -o f1 -o f2 -o f3. `-' means the STDOUT (default). -xclaim means the output should be exclamatory. -4 X;Y;Z means the greeting should be for X, Y, and Z. Default is ``Wo +rld'' and yourself!. any other args are the greeting. Default is "Hello"./; EOHELP my $xclaim = 0; my $usage = 0; my $greeting = ''; my $forWhom = 'World;to you'; my @outs; GetOptions ("h|help" => \$usage, "xclaim!" => \$xclaim, "4=s" => \$forWhom, "o=s" => \@outs, ) or die $usage_msg; if ($usage) { print $usage_msg; exit; } $greeting .= $_ foreach @ARGV; $greeting = 'Hello' unless $greeting; @outs = qw/-/ unless @outs; my $output = ''; $output .= "$greeting, $_" . ($xclaim ? '!' : '.') . "\n" for (split /;/, $forWhom); foreach my $outfile (@outs) { if ($outfile eq '-') { print $output; } else { open my $outfh, '>', $outfile or warn "Could not open $outfile + for writing: $!"; print $outfh $output; close $outfh; } }

-- Hofmator

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Re^2: Argdom.pm
by revence27 (Novice) on Nov 11, 2006 at 11:07 UTC
    I put the subs that select the args, because I didn't want to restrict how args should be formatted. The '-4Me;And;You' thing was to show how extensible the module is. Not everybody is writing (for) POSIX syntax arguments. I do much work on Win32, in which case arg keys are supposed to be more like /something. I hope you get my point. Sure, there are many modules, but this is the only one (I have seen -- not like I work at Google, though) that doesn't think for you. I don't want to replace the programmer. You must choose which args go where, and that is why I put the choosers. GetOpt, you'll notice, is simply for one kind of command-line args. Thanks for the code!
    print "Something's gone wrong with my head: $!";