.
├── html
└── md

#! /bin/bash
# run this from a folder containing markdown files
# it delivers html to the sibling html folder
if hash pandoc 2>/dev/null; then
  for file in ./*.md ; do
    echo Converting $file
    cat "$file" | pandoc -o "$(echo $file | sed 's/^./../html/' |  sed 's/.md$/.html/')"
  done
else
  echo "I need pandoc installed"
fi