Select Code to Download

#!/usr/bin/perl -w

...
foreach (keys %minmax) {
    print "$_: min: $minmax{$_}{min} max: $minmax{$_}{max}\n";
}

chr1    4   60
chr2    2   40
chr3    4   90
chr1    5   40

chr2    1   30
chr1    6   20
chr4    9   100

chr1    2   20
chr2    2   90
chr1    6   20
chr4    4   30

chr2    4   90
chr3    3   90
chr2    4   90
chr4    3   90
chr2    4   30

chr1: min: 2 max: 60
chr2: min: 1 max: 90
chr3: min: 3 max: 90
chr4: min: 3 max: 100