diff --git a/home/private_bin/executable_notes b/home/private_bin/executable_notes
new file mode 100644
index 0000000..3b02bfd
--- /dev/null
+++ b/home/private_bin/executable_notes
@@ -0,0 +1,48 @@
+#!/usr/bin/env sh
+# Create a dated text file at a specific location and append text to it.
+#
+# Usage:
+#   $ notes something you want to jot down (appends that text to the file)
+#   $ xclip -o | notes                     (appends your clipboard to the file)
+#   $ notes                                (opens the file in your editor)
+#
+# Produces:
+#   YYYY-W.txt in your $NOTES_DIRECTORY (this is set below).
+
+set -e
+
+YEAR="$(date +"%Y")"
+WEEK="$(date +"%W")"
+NOTES_DIRECTORY="${NOTES_DIRECTORY:-${HOME}/stuff/notes/notes}"
+NOTES_EDITOR="${EDITOR:-vim}"
+NOTES_FILE="${YEAR}-${WEEK}.md"
+NOTES_PATH="${NOTES_DIRECTORY}/${NOTES_FILE}"
+
+readonly YEAR WEEK NOTES_FILE NOTES_PATH NOTES_EDITOR NOTES_DIRECTORY
+
+if [ ! -d "${NOTES_DIRECTORY}" ]; then
+    while true; do
+        printf "%s does not exist, do you want to create it? (y/n) " "${NOTES_DIRECTORY}"
+        read -r yn
+
+        case "${yn}" in
+            [Yy]* ) mkdir -p "${NOTES_DIRECTORY}"; break;;
+            [Nn]* ) exit;;
+            * ) printf "Please answer y or n\n\n";;
+        esac
+    done
+fi
+
+if [ ! -f "${NOTES_PATH}" ]; then
+  printf '# %s Week %s\n' "${YEAR}" "${WEEK}" > "${NOTES_PATH}"
+fi
+
+if [ ${#} -eq 0 ]; then
+    if [ -p "/dev/stdin" ]; then
+        (cat; printf "\n") >> "${NOTES_PATH}"
+    else
+        eval "${NOTES_EDITOR}" "${NOTES_PATH}"
+    fi
+else
+    printf "%s\n" "${*}" >> "${NOTES_PATH}"
+fi