<jupyter_start><jupyter_text>shebang headers in literate programs. `tingle` documents can begin with a shebang that provide instructionson how to run a document as a program. `tingle` shebangs may look like    !/usr/bin/env tingle    !/usr/bin/env -S tingle    !/usr/bin/env -S tingle --weave    !/usr/bin/env -S tingle --no-main<jupyter_code>import IPython, tingle, pathlib
    from IPython import get_ipython
    ip = get_ipython()
    if ip:
        %load_ext tingle<jupyter_output><empty_output><jupyter_text>The `"testtemplate.md"` begins with a shebang that includes in the `"--weave"` which applies transclusion before showing the rendered output.<jupyter_code>(
            pathlib.Path(tingle.__file__).parent
            / "docs" / "testtemplate.md"
        ).read_text().splitlines()[0]
    if ip:
        !python -m tingle testtemplate.md --help
        !python -m tingle testtemplate.md -h
## templated couments
    
    if ip:
        !tingle testtemplate.md --weave
        !tingle testtemplate.md --weave --foo 8
    #NBVAL_SKIP
    if ip:
        !./testtemplate.md --no-main<jupyter_output>This program, named [33m`#__main__`[39;49;00m has the value _42_ for foo.
{'fraction_non_alphanumeric': 0.10989010989010989, 'fraction_numerical': 0.01014370245139476, 'mean_word_length': 2.959866220735786, 'pattern_counts': {'":': 0, '<': 8, '<?xml version=': 0, '>': 8, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'chain_length': '2', 'dir': 'jupyter-structured-clean-dedup', 'id': '590631', 'license': 'MIT', 'n_tokens_mistral': 410, 'n_tokens_neox': 396, 'n_words': 114, 'path': 'tingle/docs/test_cli.md.ipynb', 'repo_name': 'deathbeds/tingle', 'size': '1183'}