vim_md_notes

#!/bin/sh 
NOTEBOOK_MD_DIR="$HOME/Documents/Notebooks"
NOTEBOOK_PDF_DIR="$HOME/Documents/Notebooks/pdf"

shopt -s nullglob
NOTEBOOKS=($NOTEBOOK_MD_DIR/*.md)
PDF_LIST=($NOTEBOOK_PDF_DIR/*.pdf)

newEntry() {
    NEW_ENTRY=$(printf '%s\n' "${NOTEBOOKS[@]}" | awk -F "/" '{print $NF}' | awk -F "." '{print $1}' |dmenu -i -c -l 20 -p "Notebooks: ")
    [[ ! "$NEW_ENTRY" ]] && exit 1
    
    [[ ! -f "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" ]]   && ( echo -e "---\ntitle: $NEW_ENTRY\ngeometry: margin=3cm\n---" > "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md")
    [[ ! -f "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" ]] && ( touch "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf")

    alacritty -t Notes -e nvim -c "norm G2o" \
        -c "norm zz" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md"
    
    case "$NEW_ENTRY" in
        Bash    )   pandoc --indented-code-classes=bash     --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Python  )   pandoc --indented-code-classes=python   --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Julia   )   pandoc --indented-code-classes=julia    --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Cpp     )   pandoc --indented-code-classes=cpp      --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        C       )   pandoc --indented-code-classes=c        --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Haskell )   pandoc --indented-code-classes=haskell  --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Perl    )   pandoc --indented-code-classes=perl     --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        Lisp    )   pandoc --indented-code-classes=lisp     --highlight-style zenburn -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
        *       )   pandoc                                                            -o "$NOTEBOOK_PDF_DIR/$NEW_ENTRY.pdf" "$NOTEBOOK_MD_DIR/$NEW_ENTRY.md" &;;
    esac
    
    exit 1
}

deleteNotebook() {
    TO_REMOVE=$(printf '%s\n' "${NOTEBOOKS[@]}" | awk -F "/" '{print $NF}' | awk -F "." '{print $1}' | dmenu -i -c -l 20 -p "Notebook to delete: ")
    [[ ! "$TO_REMOVE" ]] && exit 1

    SAVE_PDF=$(echo -e "Yes\nNo" | dmenu -i -c -l 2 -p "Archive the pdf? ")
    [[ ! "$SAVE_PDF" ]] && exit 1
    
    [[ -f "$NOTEBOOK_MD_DIR/$TO_REMOVE.md" ]] && rm "$NOTEBOOK_MD_DIR/$TO_REMOVE.md"
    
    if [[ "$SAVE_PDF" == "Yes" ]]; then
        [[ -f "$NOTEBOOK_PDF_DIR/$TO_REMOVE.pdf" ]] && mv "$NOTEBOOK_PDF_DIR/$TO_REMOVE.pdf" "$NOTEBOOK_PDF_DIR/Archive/$TO_REMOVE.pdf"
    elif [[ "$SAVE_PDF" == "No" ]]; then
        [[ -f "$NOTEBOOK_PDF_DIR/$TO_REMOVE.pdf" ]] && rm "$NOTEBOOK_PDF_DIR/$TO_REMOVE.pdf"
    fi
    
    exit 1
}

viewPdf() {
    VIEW_PDF=$(printf '%s\n' "${PDF_LIST[@]}" | awk -F "/" '{print $NF}' | dmenu -i -c -l 20 -p "PDF Notebooks: ")
    [[ ! "$VIEW_PDF" ]] && exit 1
    
    zathura "$NOTEBOOK_PDF_DIR/$VIEW_PDF"
}

while getopts "vnd" opt
do
    case ${opt} in
        v ) viewPdf;;
        n ) newEntry;;          # To create a new notebook, just type a name that is not there and hit enter
        d ) deleteNotebook;;
        * ) echo -e "Invalid option\n-v\tView pdf version\n-n\tWrite a new entry into one of the notes\n-d\tDelete a note"
    esac
done