CC replace program

local yes = 21
local no = 49

tArgs = {...}

fileName = tArgs[1]

pasteBinCode = tArgs[2]

local x, y = term.getCursorPos()

if (#tArgs == 2) then
term.write("Are you sure you want to overwrite " .. fileName .. "? <y/n>")
term.setCursorPos(1,(y+1))
local event, key = os.pullEvent("key")
while ((key ~= yes) and (key ~= no)) do
local event, key = os.pullEvent("key")
end
if key == yes then
shell.run("delete", fileName)
shell.run("pastebin", "get", pasteBinCode, fileName)
end
else
term.write("Usage: replace <File Name> <Pastebin Code>")
term.setCursorPos(1,(y+1))
end