diff --git a/update-database.sh b/update-database.sh
new file mode 100755
index 0000000..8a1505a
--- /dev/null
+++ b/update-database.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/bash
+set -e
+
+declare -a crontab_dirs=(
+    /etc/cron.d
+    /etc/cron.daily
+    /etc/cron.hourly
+    /etc/cron.weekly 
+    /var/spool/cron
+)
+
+declare -a crontabs_in_db
+
+sqlite_cmd='sqlite3 ../webcron.db'
+
+
+for name in $( $sqlite_cmd <<< "SELECT crontab_path FROM crontabs;"); do
+    crontabs_in_db+=( "$name" )
+done
+
+for dir in ${crontab_dirs[@]}; do
+    if [[ $( ls -1 $dir | wc -l ) -ge 1 ]]; then
+        for file in $dir/* ; do
+            if [[ -f $file ]] && [[ ! "${crontabs_in_db[@]}" == *$file* ]]; then
+                $sqlite_cmd <<< "
+                INSERT INTO crontabs (crontab_path, crontab_data) VALUES
+                    ('$file',
+                    '$(<$file)')
+                "
+            fi
+        done
+    fi
+done
+
+IFS='|'
+while read crontab_id crontab_path; do 
+    data=`sqlite3 ../webcron.db <<< "SELECT crontab_data FROM crontabs WHERE crontab_id = $crontab_id"`
+
+    if [[ -f $crontab_path ]] && [[ ! "$data" == "$(<$crontab_path)" ]]; then
+        sqlite3 ../webcron.db <<<"
+        UPDATE crontabs SET crontab_data = '$(<$crontab_path)' WHERE crontab_id = $crontab_id 
+        "
+    fi
+
+done <<< ` sqlite3 ../webcron.db <<< "
+SELECT crontab_id crontab_name, crontab_path FROM crontabs;
+" ` 
+unset IFS
\ No newline at end of file