Lua by Example: Command-Line Arguments

Command-line arguments are a common way to parameterize execution of programs. For example, `$ mkdir /tmp/fred` on the command line invokes the `mkdir` program with a single argument `/tmp/fred`
Function to make a string representation of a table https://stackoverflow.com/a/27028488/429544	local function dump(o) if type(o) == 'table' then local s = '{ ' for k,v in pairs(o) do if type(k) ~= 'number' then k = '"'..k..'"' end s = s .. '['..k..'] = ' .. dump(v) .. ',' end return s .. '} ' else return tostring(o) end end
	local args = {...}
	print(dump(args))

$ lua command-line-arguments.lua a b c d
{ [1] = a,[2] = b,[3] = c,[4] = d,}