[FIX] List BackLinks now takes STDIN/STDOUT #1

This means that the xclip used will be governed by cadmus making it more
cross platform

bin/cadmus

@@ -297,7 +297,7 @@ CadmusTools () {
                 ;;
             webtitle) shift; "${script_dir}/tools/PrintWebTitle.sh" "$(CLIP_OUT)" | CLIP_IN
                 ;;
-            backlinks) shift; "${script_dir}/tools/List-Backlinks.sh" "${NOTES_DIR}" ${@:-} && exit 0
+            backlinks) shift; "${script_dir}/tools/List-Backlinks.sh" "$(CLIP_OUT)" ${@:-} && exit 0
                 ;;
             link) shift; "${script_dir}/tools/LinkMarkdownNotes.sh"  "${NOTES_DIR}" "$(CLIP_OUT)" | CLIP_IN && exit 0
                 ;;

bin/tools/List-Backlinks.sh

@@ -6,8 +6,8 @@ command -v sd >/dev/null 2>&1 || { echo >&2 "I require sd (sed replacement) but
 command -v xclip >/dev/null 2>&1 || { echo >&2 "I require xclip but it's not installed.  Aborting."; exit 1; }
 
 
+term=$(basename "${1}" | cut -f 1 -d '.')
 
-term=$(xclip -selection clipboard -o | xargs basename |  cut -f 1 -d '.')
 rg -e "\[.*\]\(.*$term\.md\)" -e "\[\[$term\]\]" -e "\[\[$term.*\]\]" \
     ~/Notes/MD/notes \
     -t markdown -ol