Update database.am - "files", mark datbase-less apps as "unknown"

see #1622 (comment)

Author: ivan-hc

modules/database.am

@@ -289,6 +289,7 @@ _files_sizes() {
 
 # Function to determine file's database
 _files_db() {
+	DB=""
 	if test -f "$APPSPATH"/"$arg"/.am-installer/*.*; then
 		_files_db_third_party
 	elif [ "$arg" = am ]; then
@@ -298,6 +299,7 @@ _files_db() {
 	else
 		DB="am"
 	fi
+	[ -z "$DB" ] && DB="unknown"
 	echo " ◆ $arg	|	$DB" >> "$AMCACHEDIR"/files-db
 }
 
@@ -332,12 +334,12 @@ _files() {
 	rm -f "$AMCACHEDIR"/files-args
 	for arg in $INSTALLED_APPS; do
 		if test -f ./"$arg"/remove 2>/dev/null; then
-			APPVERSION=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/version-args | tr '	' '\n' | tail -1)
+			APPVERSION=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/version-args | awk '{print $4}')
 			[ -f ./"$arg"/AM-LOCK ] && APPVERSION="$APPVERSION🔒"
 			echo "$APPVERSION" | grep -q "🔒$" && APPLOCKED=1
-			APPTYPE=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-type | tr '	' '\n' | tail -1)
-			APPSYZE=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-sizes | tr '	' '\n' | tail -1)
-			APPDB=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-db | tr '	' '\n' | tail -1)
+			APPTYPE=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-type | awk '{print $4}')
+			APPSYZE=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-sizes | awk '{print $4}')
+			APPDB=$(grep -w " ◆ $arg	|" "$AMCACHEDIR"/files-db | awk '{print $4}')
 			if [ -n "$CHECK_SUPPORTED_THIRD_PARTY_APPS" ]; then
 				echo " ◆ $arg	|	$APPDB	|	$APPVERSION	|	$APPTYPE	|	$APPSYZE" >> "$AMCACHEDIR"/files-args
 			else