on run argv
    if (count of argv) is 0 then
        error "Expected shell command argument"
    end if
    set shellCommand to item 1 of argv
    tell application "iTerm"
        activate
        if (count of windows) = 0 then
            create window with default profile
        end if
        tell current session of current window
            write text shellCommand
        end tell
    end tell
end run