add journaling function

journal.shf

@@ -0,0 +1,17 @@
+# ENV REQUIREMENTS:
+# - JOURNALDIR: default journal directory
+
+function journal() {
+    if [ ! -d "${JOURNALDIR}" ]; then
+        mkdir -p "${JOURNALDIR}"
+    fi
+    FILE="${JOURNALDIR}$(date '+%Y-%m-%d')"
+    echo "${FILE}"
+    if [ ! -f $FILE ]; then
+        echo "$(date '+%Y-%m-%d')\n" >> $FILE
+    else
+        echo "\n" >> $FILE
+    fi
+    echo ">> $(date '+%H:%M:%S')" >> $FILE
+    vim +$ ${FILE}
+}