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perl group by and sort from a csv input file

by gowthamvels (Novice)
on Jul 27, 2017 at 07:27 UTC ( [id://1196143]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    SAMPLE INPUT INPUTFILE.csv
3211111,100,3.2 
...
3211112,100,2.2 
3211113,100,5.2 
3211112,100,0.3
  2. or download this
    outputfile.csv 
3211111,100,4.4 
3211112,100,2.5
3211112,101,3.2
3211113,100,5.2

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