Select Code to Download

eg:  exfields.pl file.gz field1,field2,field3

steve  37    ma    
jeff   35    ca
ben    30    tn

steve  37    ma
jeff   35    ca
ben    30    tn

steve  guitar  
jeff   bass
ben    drums

steve  37    ma    guitar
jeff   35    ca    bass
ben    30    tn    drums

merge.pl file1 field,field file2 field

file1 field,field

%hash_1 =    steve => '37' AND 'ma'
             jeff =>  '35' AND 'ca'
             ben  =>  '30' AND 'tn'

file2 field

%hash_2 =  steve => 'guitar'
           jeff =>  'bass'
           ben  =>  'drums'