diff --git a/atom b/atom
index 01b32b1..0cb4175 100755
--- a/atom
+++ b/atom
@@ -38,6 +38,8 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
+shopt -s extglob
+
 #parse arguments
 OPTERR=0
 while getopts ':c:l:T:F:hD' opt
@@ -273,7 +275,7 @@ openDatabase() {
 		fi
 		sqlite3 "$database" < $schema
 	fi
-	sqlite3 "$database"		\
+	sqlite3 -bail "$database"	\
 		< "$tempdir/sqlite.in"	\
 		> "$tempdir/sqlite.out"	&
 	exec 3> "$tempdir"/sqlite.in
@@ -346,12 +348,17 @@ Insert() {
 		(( ${#insert_keys} )) && insert_keys+=","
 		insert_keys+='`'"$key"'`'
 		(( ${#insert_values} )) && insert_values+=","
-		if [[ $value == NULL ]]
-		then
-			insert_values+="NULL"
-		else
-			insert_values+='"'"${value//\"/\"\"}"'"'
-		fi
+		case $value in
+			'NULL')
+				insert_values+="NULL"
+			;;
+			+([0-9])?(.+([0-9])))
+				insert_values+=$value
+			;;
+			*)
+				insert_values+='"'"${value//\"/\"\"}"'"'
+			;;
+		esac
 	done
 	echo	"INSERT INTO $table"				\
 				"( $insert_keys )"		\
@@ -389,7 +396,17 @@ Update(){
 				what=value
 			;;
 			value)
-				set_statement="${set_statement}="'"'"${argument//\"/\"\"}"'"'
+				case $argument in
+					'NULL')
+						set_statement+=" is NULL"
+					;;
+					+([0-9])?(.+([0-9])))
+						set_statement+=" = $argument"
+					;;
+					*)
+						set_statement+=" = "'"'"${argument//\"/\"\"}"'"'
+					;;
+				esac
 				what=key
 			;;
 		esac
@@ -397,12 +414,17 @@ Update(){
 	while read key operator value
 	do
 		(( ${#where_statement} )) && where_statement+=( "AND" )
-		if [[ $value == NULL ]]
-		then
-			where_statement+=( "$key is NULL" )
-		else
-			where_statement+=( "$key $operator "'"'"${value//\"/\"\"}"'"' )
-		fi
+		case $value in
+			'NULL')
+				where_statement+=( "$key is NULL" )
+			;;
+			+([0-9.]))
+				where_statement+=( "$key $operator $value" )
+			;;
+			*)
+				where_statement+=( "$key $operator "'"'"${value//\"/\"\"}"'"' )
+			;;
+		esac
 	done
 	echo	"UPDATE '$table' SET"		\
 			"$set_statement"	\