Actually, you should try and refrain from using given/when. Brian D Foy explains why Here

A pretty nice alternative I use, is

for ($string) {        # given
  if (/<=/) { .. }     # when
  elsif (/=>/) { .. }  # when
  else { .. }          # default
}

[download]

In reply to Re^2: Process mail logs by influx
in thread Process mail logs by stevbutt

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