Either use UNIVERSAL's "can" method, or look up the name in the symbol table hash %FunctionsSet:: (see perlmod) e.g. 
use strict;
use warnings;

package FunctionsSet;

sub function1 { warn "This is function1" }
sub function2 { warn "This is function2" }
sub function3 { warn "This is function3" }
sub function4 { warn "This is function4" }

package main;

my @names = qw/function1 function4/;
foreach my $func (@names) {
    FunctionsSet->can($func)->();
} 

my @more_names = qw/function2 function3/;
foreach my $func (@more_names) {
    $FunctionsSet::{$func}->();
}

[download]

In reply to Re: Access functions by name by Arunbear
in thread Access functions by name by shmf

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.