Shell script to convert markdown files to PDF

gistfile1.txt

#!/bin/bash

# TODO improve documentation 

OUTPUT_DIR='build'
SKIP_FILES=(README.md Home.md)

# This script exports Markdown files into different formats (HTML, PDF, etc..)
#

# Check if pandoc exists
if ! [ -x "$(command -v pandoc)" ]; then
  echo 'Error: pandoc is not installed.' >&2
  exit 1
fi

# Chech if pdflatex exists
if ! [ -x "$(command -v pdflatex)" ]; then
  echo 'Error: pdflatex is not installed.' >&2
  exit 1
fi


#cd ..
FILES_DIR=`pwd`
echo Current path: $FILES_DIR
MARKDOWN_FILES=`ls *.md`
echo Markdown files in folder:
echo $MARKDOWN_FILES

if [ ! -d $OUTPUT_DIR ]; then
  echo "Output dir [$OUTPUT_DIR] does not exist. Will create it"
  mkdir $OUTPUT_DIR
fi

for FILE in $MARKDOWN_FILES
do
    if [[ " ${SKIP_FILES[@]} " =~ " ${FILE} " ]]; then
    # whatever you want to do when arr contains value
    echo "Skipping $FILE..."
    continue
    fi


    #remove extension from file name
    FILENAME=`  echo "$FILE" | cut -d'.' -f1`

    # Available output formats 
    # https://pandoc.org/MANUAL.html#general-options
    
    # To PDF
    echo   Processing $FILENAME.pdf
    pandoc --from markdown --toc $FILES_DIR/$FILE --to latex --metadata-file $FILENAME.yaml --lua-filter $FILES_DIR/bin/filter.lua -o $OUTPUT_DIR/$FILENAME.pdf 

    # To Word
    echo Processing $FILENAME.docx
    pandoc --from markdown --toc $FILES_DIR/$FILE --lua-filter $FILES_DIR/bin/filter.lua -o $OUTPUT_DIR/$FILENAME.docx

    # To HTML
    echo Processing $FILENAME.html
    pandoc --from markdown --toc $FILES_DIR/$FILE --lua-filter $FILES_DIR/bin/filter.lua -o $OUTPUT_DIR/$FILENAME.html
    
    # To ePub
    echo Processing $FILENAME.epub
    pandoc --from markdown --metadata title=$FILES_DIR/$FILENAME --toc $FILE --lua-filter $FILES_DIR/bin/filter.lua -o $OUTPUT_DIR/$FILENAME.epub

    # Export doc with a template
    # https://pandoc.org/demo/twocolumns.docx
    #pandoc --reference-doc twocolumns.docx -o UsersGuide.docx MANUAL.txt
    
    #echo Processing $FILENAME.pptx
    #pandoc --from markdown --toc $FILE  -o build/$FILENAME.pptx

 done