Pass submit script through file and not via echo. Simplify escaping and quoting.
Pass submit script through file and not via echo.
Simplify escaping and quoting.

luis-rr/saga-python,luis-rr/saga-python,mehdisadeghi/saga-python,telamonian/saga-python,mehdisadeghi/saga-python,telamonian/saga-python,luis-rr/saga-python