// define a list to hold characters and amounts
characters = list()
amounts = list()

// define the alphabet as a string to check only letters and numbers
alpha = "abcdefghijklmnopqrstuvwxyz0123456789"

// get the filename as an argument
fname = args[len(args) - 1]

// read the entire file into a string
contents = new(Nanoquery.IO.File, fname).readAll()

// loop through all the characters in the array
for i in range(0, len(contents) - 1)
	// get the character to check
	toCheck = str(contents[i]).toLowerCase()

	// check if the current character is in the array
	if ((alpha .contains. toCheck) && (characters .contains. toCheck))
		// if it's there, increment its amount
		index = characters[toCheck]
		amounts[index] = amounts[index] + 1
	else
		if (alpha .contains. toCheck)
			// if it's not, add it
			append characters toCheck
			append amounts 0
		end
	end if
end for

// output the amounts
println format("%-20s %s", "Character", "Amount")
println "=" * 30
for i in range(0, len(characters) - 1)
	println format("%-20s %d", characters[i], amounts[i])
end for