md2clip and clip2md

.zshrc

md2clip() {
  local tmpfile=$(mktemp /tmp/md2clip_XXXXXX.html)
  pandoc -f markdown -t html "$1" \
    | sed -E \
        -e 's|<li><p( [^>]*)?>|<li>|g; s|</p></li>|</li>|g' \
        -e 's|<(ul\|ol)>|<\1 style="margin:0.25em 0 0.75em 0;">|g' \
        -e 's|<li>|<li style="margin:0 0 0.15em 0;">|g' \
        -e 's|<p>|<p style="margin:0;">|g' \
    > "$tmpfile"
  osascript -l JavaScript -e '
    ObjC.import("AppKit");
    var html = $.NSString.alloc.initWithDataEncoding(
      $.NSFileManager.defaultManager.contentsAtPath("'"$tmpfile"'"),
      $.NSUTF8StringEncoding
    ).js;
    var pb = $.NSPasteboard.generalPasteboard;
    pb.clearContents;
    pb.setStringForType(html, "public.html");
  '
  rm "$tmpfile"
}

clip2md() {
  osascript -l JavaScript -e '
    ObjC.import("AppKit");
    var pb = $.NSPasteboard.generalPasteboard;
    var html = pb.stringForType("public.html");
    if (html.isNil()) {
      html = pb.stringForType("public.utf8-plain-text");
    }
    if (html.isNil()) {
      $.NSFileHandle.fileHandleWithStandardError.writeData(
        $.NSString.alloc.initWithUTF8String("clip2md: clipboard is empty\n").dataUsingEncoding($.NSUTF8StringEncoding)
      );
      $.exit(1);
    }
    html.js;
  ' | pandoc -f html -t gfm-raw_html
}