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Considering you have already split up $line, why replace in the original? I would simply join @fields like so:

while (my $line = <$data>) { chomp $line; my @fields = split ",", $line, -1; my $sum = $fields[3]; $fields[3] = 'volemd' if ($fields[3] > 310 ) ; $fields[3] = 'volemd1' if ($fields[3] == 70 ) ; print join( ',', @fields ) . "\n" ; }

Update: Modified as per correction by jwkrahn below.


In reply to Re: replace/substituion 4th field by tmharish
in thread replace/substituion 4th field by hyans.milis

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