use POSIX; use List::Util qw[min max]; my $chartValues = "12,104,1371|53,22,1100"; my $encodedValues = encoding($chartValues); sub encoding { my @characters = qw(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 - .); my @series = split(/\|/,$_[0]); my @seriesmax = split(/\||\,/,$_[0]); my $max = max(@seriesmax); my $returnstring = ''; foreach (@series){ my @values = split(/\,/,$_); my $encoding = ''; foreach my $value (@values){ chomp $value; $value = ($value/$max) * 4095; my $first = floor($value / 64); my $second = $value % 64; $encoding .= $characters[$first] . $characters[$second]; } $returnstring .= $encoding.','; } return substr($returnstring,0,-1); }