exe/monitor_errors.awk

   1 /^ERROR/ {
   2     src = $2
   3     # Not just using $3 for body - because body might contain a character
   4     # identical to FS
   5     len_line = length($0)
   6     len_head = length($1 FS $2 FS)
   7     len_body = len_line - len_head
   8     body = substr($0, len_head + 1, len_body)
   9     alert("hi", "ERROR_IN_" src, body)
  10 }