RE: Calling functions using variable (I mean symbolic refs)

From: Kamal Gupta (kamal.gupta_at_wipro.com)
Date: 11/26/04 

Date: Fri, 26 Nov 2004 13:08:31 +0530
To: <kamal.gupta@wipro.com>, <beginners@perl.org>

Some one please do help me....

I'm sure that there could be better solution and I'm sure that someone
would have faced a similar situation.

Do let me know your best possible solution for this scenario.

>Subject: Calling functions using variable (I mean symbolic refs)
>
>
>
>Hi all,
>
>
>May be this is a OLD topic of discussion.
>
>
>I have a Perl script with lot of functions. This Perl script
>accepts two
>command line options (string values) where the concatenation of these
>two strings will give me the function name.
>
>
>All the functions in this Perl script are like this.
>
>
>For eg.,
>
>
>#!/usr/bin/perl
>
>
>use strict;
>
>
>use Getopt::Long;
>
>my $rc = GetOptions( "class|c=s"
> ,"method|m=s"
> ,"help|h|?"
> ,"trace:i"
> );
>...
>..
>..
>...
>{
>no strict 'refs';
>my $functionname = $options{class}."_".$options{method};
>
>
>&$functionname;
>}
>
>
>sub Class1_Method1 {
>
>
>print "Class 1 Method1\n";
>
>
>}
>
>
>sub Class1_Method2 {
>
>
>print "Class 1 Method2\n";
>
>
>}
>
>
>sub Class2_Method1 {
>
>
>print "Class 2 Method1\n";
>
>
>}
>
>
>My question now is in many docs that I have read they say that it is
>always better to avoid symbolic references. Is there any better way of
>implementing the above mentioned scenario, If so do suggest
>and explain.
>
>
>With Best regards,
>R. Kamal Raj Guptha.
>Ph: 91-80-28411990 Ext:1296
>Mobile - 9880351218
>
>
>
>
>
>
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>
>
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>

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