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  1. BEGIN { FS="[ \\[]" } 
  2. { if ( gensub("-","","g",$1) < gensub("-","","g",$7) ) { $7 = $1 }
  3.   $7 = "[" $7
  4.   print
  5. }
  6.  
Success #stdin #stdout 0.01s 4232KB
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stdin
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2012-01-30 12:41:06,214 app10 device INFO [2013-01-30 12:40:46,214] info1 info2 info3 ...
2012-01-30 12:41:06,214 app10 device INFO [2011-01-30 12:40:46,214] info1 info2 info3 ...
stdout
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2012-01-30 12:41:06,214 app10 device INFO  [2012-01-30 12:40:46,214] info1 info2 info3 ...
2012-01-30 12:41:06,214 app10 device INFO  [2011-01-30 12:40:46,214] info1 info2 info3 ...
https://ideone.com/X48ZHX
language:
AWK (gawk 4.2.1)
created:
11 years ago
visibility:
public

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