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Mar 24th, 2017
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  1. #!/bin/awk
  2.  
  3. # Print header
  4. /^#/ { print }
  5.  
  6. # Print unique records
  7. /^[^#]/ {
  8. vars[$1,$2,$4,$5]++
  9. if (vars[$1,$2,$4,$5] < 2) {
  10. print $0
  11. }
  12. }
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