Simple Ruby Program - read, calculate, output
this example from a Well House Consultants training course
Source code: col2 Module: R050
# About this program. Comment to include
# Who wrote it, what it does, version number
# Who to call for support, what uses it, who uses it
# Also ... comment all major chunks, all 'clever' bits
puts "Hello World"
puts "This program asks how much money YOU want"
puts "then tells you how much you need to charge with VAT added"
puts "Please enter the amount you want:"
merchant = STDIN.gets.to_i
# "alastair" is the name I chose in jest for the VAT rate
# after Alastair Darling (Chancellor, 2008 - 2010? )
alastair = 19.5
charges = merchant * (100 + alastair) / 100
puts "Lying in Melksham - the sea is solid"
puts "It's a sunny day"
puts "Tax rate is",alastair,"at present"
puts "charge 'em",charges
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