foreach (@w) {
  print "working with $_... ";
  if    (/^>>/               ) { print "error message\n"            }
  elsif (/^\s*([<>])\s*(\S+)/) { print "separated '$1' from '$2'\n" }
  elsif (/^\s*\|/            ) { print "pipefront\n"                }
  elsif (/\|\s*$/            ) { print "pipeend\n"                  }
  else                         { print "\n"                         }
}