Usage

import os
from pathlib import Path

from python_humble_utils.filesystem import yield_file_paths
from python_humble_utils.strings import camel_or_pascal_case_to_snake_case


# ...

file_paths = yield_file_paths(
    dir_path=Path("dir") / "with" / "scripts",
    allowed_file_extensions=(".sh", ".bash"),
    recursively=True
)
assert set(file_paths) == set(("s1.sh", "s2.bash", "s3.bash"))

s = camel_or_pascal_case_to_snake_case("camelCasedString")
assert s == "camel_cased_string"

s = camel_or_pascal_case_to_snake_case("PascalCasedString")
assert s == "pascal_cased_string"

# ...