md2clipboard

#!/bin/bash
# Copy markdown from stdin as rich text to the macOS clipboard.
# Pasting into Slack, Mail, etc. preserves formatting and clickable links.
# Requires: pandoc (brew install pandoc)

set -euo pipefail

if [ -t 0 ]; then
  echo "Usage: echo '**bold** [link](url)' | md2clipboard" >&2
  exit 1
fi

html=$(pandoc -f markdown -t html)
hex=$(echo -n "$html" | hexdump -ve '1/1 "%.2x"')
printf 'set the clipboard to {text:" ", «class HTML»:«data HTML%s»}' "$hex" | osascript -