--- a/streamlet-examples/__relpipe_in_filesystem_script_mime_type	Fri Jan 17 14:07:33 2020 +0100
+++ b/streamlet-examples/__relpipe_in_filesystem_script_mime_type	Sat Jan 18 16:41:59 2020 +0100
@@ -23,7 +23,7 @@
 . "$(dirname $0)/streamlet-common.sh"
 
 processMessage_WAITING_FOR_OUTPUT_ATTRIBUTES_METADATA() {
-	send OUTPUT_ATTRIBUTE_METADATA "${outputAttributeAliases[0]}"    "string"
+	send OUTPUT_ATTRIBUTE_METADATA "${outputAttributeAliases[0]-mime_type}"    "string"
 	send WAITING_FOR_INPUT_ATTRIBUTES
 }