sidef/scripts/RosettaCode/price_fraction.sf

#!/usr/bin/ruby

#
## https://rosettacode.org/wiki/Price_fraction
#

var table = <<'EOT'.lines.map { .words.grep{.looks_like_number}.map{.to_num} };
>=  0.00  <  0.06  :=  0.10
>=  0.06  <  0.11  :=  0.18
>=  0.11  <  0.16  :=  0.26
>=  0.16  <  0.21  :=  0.32
>=  0.21  <  0.26  :=  0.38
>=  0.26  <  0.31  :=  0.44
>=  0.31  <  0.36  :=  0.50
>=  0.36  <  0.41  :=  0.54
>=  0.41  <  0.46  :=  0.58
>=  0.46  <  0.51  :=  0.62
>=  0.51  <  0.56  :=  0.66
>=  0.56  <  0.61  :=  0.70
>=  0.61  <  0.66  :=  0.74
>=  0.66  <  0.71  :=  0.78
>=  0.71  <  0.76  :=  0.82
>=  0.76  <  0.81  :=  0.86
>=  0.81  <  0.86  :=  0.90
>=  0.86  <  0.91  :=  0.94
>=  0.91  <  0.96  :=  0.98
>=  0.96  <  1.01  :=  1.00
EOT

func price(money) {
    table.each { |row|
           (row[0] <= money) ->
        && (row[1] >  money) ->
        && return row[2];
    }
    die "Out of range";
}

%n(0.3793 0.4425 0.0746 0.6918 0.2993 0.5486 0.7848 0.9383 0.2292).each { |n|
    say price(n);
}