bash script for md-to-pdf Node JS CLI tool. Iterate through all folders within the script directory and, for each, concatenate all .md files and convert to PDF to ./_dist

md-to-pdf-build.sh

 for d in ./*/; do

    # Trim last "/" from "$d
    folderName=${d%*/}
    # remove text until last "/"
    folderName=${folderName##*/}

    # checks if folder name starts with underline (_)
    #   yes: stop loop here
    #   no: continue
    if [[ $folderName == _* ]]; then continue; fi

    # Create _dist directory if it does not exist
    mkdir -p ./_dist

    # Run md-to-pdf CLI commant to convert all files within the folder 
    # to a single pdf file with the same name in the ./_dist directory.
    cat $d/*.md | md-to-pdf > ./_dist/$folderName.pdf --config-file ./pdf_options.js
done