Computercraft/Computronics Tape DJ Program - Stop

args = {...}
mon = peripheral.wrap("monitor_0")
ter = term.current()
-- the taper variables are the names/side of each drive. Since they are called multiple times, I am using variables to set them so it is easier to rename them
taper1 = "tape_drive_3"
taper2 = "tape_drive_4"
taper3 = "tape_drive_5"

-- Stops the tape and rewinds it if the "hot" parameter is not used when calling the program
function rewinder()
    term.redirect(mon)
    term.setTextColor(colors.red)
    print("Stopped:")
    print(tape.getLabel())
    term.redirect(ter)
    if args[2] == nil then
        if tape == nil then
            sleep(0.1)
        else
            tape.seek(-tape.getSize())
        end
    elseif args[2] == "hot" then
        term.setTextColor(colors.orange)
        print("hot parameter used! Not rewinding the tape!")
        term.setTextColor(colors.white)
    else
        term.setTextColor(colors.red)
        print("Parameter 2 Invalid! Using Default Value...")
        term.setTextColor(colors.white)
        tape.seek(-tape.getSize())
    end
    if tape == nil then
        sleep(0.1)
    else
        tape.stop()
    end
end


if args == nil then
term.setTextColor(colors.red)
print("Warning: No parameters given!")
print("Use \"stop #\" to select a drive")
else
    if args[1] == "1" then
        print("Stopping Drive 1")
        tape = peripheral.wrap(taper1)
        rewinder()
    elseif args[1] == "2" then
        print("Stopping Drive 2")
        tape = peripheral.wrap(taper2)
        rewinder()
    elseif args[1] == "3" then
        print("Stopping Drive 3")
        tape = peripheral.wrap(taper3)
        rewinder()
    elseif args[1] == "all" then
        print("Stopping all tape drives...")
        print("Stopping Drive 1")
        tape = peripheral.wrap(taper1)
        rewinder()
        print("Stopping Drive 2")
        tape = peripheral.wrap(taper2)
        rewinder()
        print("Stopping Drive 3")
        tape = peripheral.wrap(taper3)
        rewinder()
        print("All tape drives were stopped!")
    end
end