Markdown tools in Rust lang.
cargo build --release
# merge tool folder mds to one file
./target/release/md-tool merge jsi1v4/parts/ jsi1v4/README.md
# extract tool get content without metada
./target/release/md-tool extract jsi1v4/parts/ jsi1v4/topics/
Note: you can copy bin (md-tool) to your system