diff -r 4560c5623d7d -r ab7f333f1225 relpipe-data/streamlets-preview.xml
--- a/relpipe-data/streamlets-preview.xml	Tue May 11 21:35:54 2021 +0200
+++ b/relpipe-data/streamlets-preview.xml	Tue May 11 22:26:48 2021 +0200
@@ -45,9 +45,9 @@
 			--as 'ocr_text' \
 		--streamlet pdftotext --as 'pdf_text' \
 	| relpipe-tr-awk \
-		--relation filesystem \
+		--relation 'filesystem' \
 		--where 'path ~ /\.sh$/ || url ~ /alt2xml\.globalcode\.info/ || ocr_text ~ /GNU/ || pdf_text ~ /Sane/' \
-	| relpipe-tr-cut filesystem 'path|url|width|height|page_count|lines_count' \
+	| relpipe-tr-cut --relation 'filesystem' --attribute 'path|url|width|height|page_count|lines_count' \
 	| relpipe-out-tabular
 
 # if too wide, add: | less -RSi]]></m:pre>