In my @{$data1{$datafile}}, I have something like

abc abc1 abc2
abc abc1 abc3 abc5
abc2 abc3 abc5 abc7 abc9 abc10
abc1 abc2 abc3 abc4 abc5 abc6

so if I run a below code, it does the job and print 
     my @fields = @{$data1{$datafile}};
 #    next if   (length(map { s/\s+//g, $_ } @fields) < 15);
     print map { s/\s+//g, $_ } @fields;

[download]
abcabc1abc2
abcabc1abc3abc5
abc2abc3abc5abc7abc9abc10

and so on..
But if I try to discard anything shorter than length 15 and print that is above 15 , it doesn't work.. what am I doing wrong? 
     my @fields = @{$data1{$callid}};
     next if   (length(map { s/\s+//g, $_ } @fields) < 15);
     print map { s/\s+//g, $_ } @fields;

[download]

In reply to map question by convenientstore

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