#!/bin/shecho"digraph {"echo" { node [fontname=Helvetica,fontsize=20];"while read first second third rest;doFROM=;TO=case"$first"in"trace:building")case"$third"in"->")FROM="$second";TO="$rest";;*)continue;;esac;;*)continue;;esac[-n"$FROM"-a-n"$TO"]||continue for to in$TO;doout=" \"$FROM\" -> \"$to\""case$toin