adding data clearing tool

scripts/clear_all_data.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# This script removes all data that has been collected. It is tantamount to
+# starting all data-collection from scratch. Only run this if you are sure
+# you are okay will losing all the data that you've collected and processed
+# so far.
+source /etc/birdnet/birdnet.conf
+
+echo "
+This script removes all data that has been collected. It is tantamount to
+starting all data-collection from scratch. Only run this if you are sure
+you are okay with losing all the data that you've collected and processed
+so far.
+
+"
+read -n1 -p "Are you sure you want to wipe away ALL data?" YN
+echo
+while true; do
+  case $YN in
+    [Yy]) break;;
+    *) echo "Exiting since you didn't answer with Y or y." && exit;;
+  esac
+done
+echo "Removing all data . . . "
+sudo rm -drf "${RECS_DIR}"
+rm "${IDFILE}"
+
+echo "Recreating necessary directories"
+[ -d ${RECS_DIR} ] || mkdir -p ${RECS_DIR}
+[ -d ${EXTRACTED} ] || mkdir -p ${EXTRACTED}
+[ -d ${EXTRACTED}/By_Date ] || mkdir -p ${EXTRACTED}/By_Date
+[ -d ${EXTRACTED}/By_Common_Name ] || mkdir -p ${EXTRACTED}/By_Common_Name
+[ -d ${EXTRACTED}/By_Scientific_Name ] || mkdir -p ${EXTRACTED}/By_Scientific_Name
+[ -d ${PROCESSED} ] || mkdir -p ${PROCESSED}