Notes
How to detemine the concentration of washing detergent
#!/usr/bin/ruby
#
# Washing detergent concentration calculator
# Paul Philippov <[email protected]>
# 2022+050@912
#
if ARGV.length < 2
puts "Usage: #{__FILE__} <volume in oz> <number of loads>"
exit 1
end
oz = ARGV[0].to_f
dz = ARGV[1].to_f
case oz / dz
when 2.5... then puts "1X"
when 1.5..2.5 then puts "2X"
when 0.7..0.9 then puts "3X"
when 0.5..0.7 then puts "4X"
when 0.3..0.5 then puts "5X"
when 0.2..0.3 then puts "6X"
else puts "6X+"
end