I hate meetings.

Slight variation that I was working on before having to attend a meeting. Use add_path rather than add_edges 

use strict;
use Graph;
use Graph::Undirected;

my $ud = Graph::Undirected->new();

while(<DATA>)
{
  my @items = split(' ');
  if(@items <= 1)
  {
    $ud->add_vertex(@items);
  }
  else
  {
    $ud->add_path(@items);
  }
}

foreach my $connectedSet ($ud->strongly_connected_components)
{
  print "Connected Nodes: " . join(',', @$connectedSet) . "\n";
}

__DATA__
a b c d e
f b g
h i j k l
m f
z

[download]

Update: Modified code based on feedback. Have to handle the case where there is only one letter on a line. UNFORTUNATELY this cause it to lock on strongly_connected_components call.

"Look, Shiny Things!" is not a better business strategy than compatibility and reuse.

OSUnderdog

In reply to Re^2: Building Networks of Matches by osunderdog
in thread Building Networks of Matches by bowsie

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