drum score --code-dir model_templates/julia/jl_unstructured --target-type unstructured --input tests/testdata/unstructured_data.txt --verbose
changing content type latin1
drum score --code-dir $CODE_DIR/jl_unstructured --target-type unstructured --input /opt/code/drum/tests/testdata/unstructured_data.txt --verbose --content-type "text/my_text;charset=latin1"
changing return to binary
drum score --code-dir $CODE_DIR/jl_unstructured --target-type unstructured --input /opt/code/drum/tests/testdata/unstructured_data.txt --verbose --query "ret_mode=binary"