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  1. BEGIN {
  2. 	FS="|"
  3. }
  4.  
  5. {
  6. 	if ( a[$1 FS $2] < $0 ) { a[$1 FS $2]=$0 }  
  7. }
  8.  
  9. END {
  10. 	for (k in a) {print gensub(" .*","",a[k])}
  11. }
Success #stdin #stdout 0.02s 4276KB
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stdin
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A|B|02/26/2014 15:00:37
A|B|04/04/2014 12:00:37
A|B|02/01/2014 12:00:37
stdout
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A|B|02/01/2014
https://ideone.com/ySEhM4
language:
AWK (gawk 4.2.1)
created:
10 years ago
visibility:
public

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