import strutils, os, procedures, terminal

var argument: string

if paramCount() > 0:
    argument = toLowerAscii(paramStr(1))

let args = [paramStr(0).splitPath.tail, paramStr(0), argument]

if "dot" in args or "d" in args:
    dot()
elif "cross"  in args or "c" in args:
    cross()
elif "scalar" in args or "s" in args:
    scalar()
else:
    styledEcho resetStyle, "Would you like to preform the ", styleBright, "dot", resetStyle, ", ", styleBright, "cross ", resetStyle, "or ", styleBright, "scalar ", resetStyle, "product?"
    case toLowerAscii(readLine(stdin)):
        of "dot", "d", "1":
            dot()
        of "cross", "c", "2":
            cross()
        of "scalar", "s", "3":
            scalar()
        else:
            styledEcho fgRed, "Invalid operation!"
            quit QuitFailure