Server : Apache System : Linux 145.162.205.92.host.secureserver.net 5.14.0-611.45.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Apr 1 05:56:53 EDT 2026 x86_64 User : tradze ( 1001) PHP Version : 8.1.34 Disable Function : NONE Directory :  /usr/share/graphviz/gvpr/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/* Collapse all edges with same group attribute into a single edge */
BEG_G {
  int seen[string];
  $O = $;            // Use the input graph as output.
}
E {
  if (collapse == "") return;          // If no collapse, ignore.
  if (seen[collapse]) delete ($G, $);  // If already seen an edge with this collapse value, 
                                       // delete the edge.
  else seen[collapse] = 1;             // Else mark collapse value as seen and keep edge.
}