sorry listers, I didn't notice that RR's webmail html app. was adding
conversation attachments when I hit reply and then changed the email
around for my needs.
Second, thanks for another great response $Bill. I'll investigate the
Getopt module as well.
----- Original Message -----
From: $Bill Luebkert <[EMAIL PROTECTED]>
Date: Thursday, November 3, 2005 1:50 pm
Subject: Re: [Perl-unix-users] parsing ARGV
> [EMAIL PROTECTED] wrote:
>
> > Before I roll my own ARGV parse code I wanted to know if someone
> had
> > some sample code to get me started. I just want to be able to
> pass
> > simple switches that contain one parameter each to my perl app.
> I have
> > looked to the list first for I plan to accept the switches in
> any
> > order, but only allow each of them to be called once each. The
> only
> > important dependencies that I can think of right now is that
> switch -
> > cmd has to be passed if any other switch is used and all
> switches must
> > have a valid parameter. I'm not asking anyone to write me
> anything,
> > but any related sample code will help tremendously.
> >
> > ex: perlscript -cmd show -type session -loc all
> > ex: perlscript -type process -cmd show
>
> First: Don't piggy-back on someone else's post. Create a new thread
> (just copy the email address).
>
> You can always use one of the getopt modules out there, but I'm happy
> with my own little invention (untested likeness in this post) :
>
> use strict;
> use warnings;
>
> our %A; # get commandline switches into %A
> for (my $ii = 0; $ii < @ARGV; ) {
> last if $ARGV[$ii] =~ /^--$/;
> if ($ARGV[$ii] !~ /^-{1,2}(.*)$/) { $ii++; next; }
> my $arg = $1; splice @ARGV, $ii, 1;
> if ($arg =~ /^([\w]+)=(.*)$/) { $A{$1} = $2; } else { $A{$1}
++; }
> }
>
> # The syntax is slightly different for you (note the ='s) :
>
> # ex: perlscript -cmd=show -type=session -loc=all
> # ex: perlscript -type=process -cmd=show
>
> # Then I do a usage like this:
>
> (my $prog = $)) =~ s/^.*[\\\/]//;
> my $usage << EOD;
>
> Usage: $prog [-cmd=<cmd>] [-type={x|y|z}] [-loc=<loc>]
> -cmd=<cmd> <cmd> is the command to execute {show|tell|etc}
> -cmd is a mandatory arg (def: show)
> -loc=<loc> <loc> is the full path to the widget factory
(def:
> C:/widget) -type={x|y|z} Widget type to use (def: x)
>
> EOD
> die $usage if ${h} or $A{help} or not $A{cmd};
>
> # Then I usually handle them like:
>
> my $cmd = $A{cmd} || 'show'; # command to execute
> my $loc = $A{loc} || 'C:/widget'; # widget location
> my $type = ${type} || 'x'; # type of widget
>
> # You could easily handle multiple switches of the same name by
> # either appending them with | bars or using an anonymous array:
>
> $A{$1} .= "|$2" if exists $A{$1}; # append the next value
after |
>
> # or not as usable for me:
>
> push @{$A{$1}}, $2; # in this case all args would be arrays
> # unless you had a type hash to
determine
> # arg type (scalar|array)
>
_______________________________________________
Perl-Unix-Users mailing list
[email protected]
To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
