Run a set of existing commands from a string stream or a file
..option:: --command_stream <string>
A string/file stream which contains the commands to be executed. Use quote(``"``) to split between commands. For example,
..code-block::
source --command_stream "help;exit;"
..option:: --from_file
Specify the command stream comes from a file. When selected, the file will be parsed as a regular script following the OpenFPGA script file format. See details in :ref:openfpga_script_format
..option:: --batch_mode
Enable batch mode when executing the script from a file. Valid only when ``--from_file`` is enabled