1 #
   2 BEGIN   {
   3             totallines=0; matched=0
   4         }
   5 
   6 # match on counter name followed '=' and an arbitrary value
   7 /^[a-z|A-Z][a-z|A-Z|0-9|\.|_]*=.*$/     {
   8             matched++;
   9         }
  10 
  11 # or match the first line (PID of the JVM followed by ':')
  12 /^[0-9]+:/      {
  13             matched++;
  14         }
  15 
  16         { totallines++; print $0 }
  17 
  18 END     {
  19     if ((totallines > 0) && (matched == totallines)) {
  20         exit 0
  21     }
  22     else {
  23         exit 1
  24     }
  25 }