diff -r 26a8b1a14889 -r ab48ad4ecb91 streamlet-examples/pdftotext
--- a/streamlet-examples/pdftotext	Sun Jan 19 17:05:46 2020 +0100
+++ b/streamlet-examples/pdftotext	Sun Jan 19 18:00:31 2020 +0100
@@ -20,7 +20,7 @@
 # n.b. the plain text content must fit into memory and shell variable and command-line argument (it usually will)
 
 
-. "$(dirname $0)/streamlet-common.sh"
+. "$(dirname "$0")/streamlet-common.sh"
 
 processMessage_WAITING_FOR_OUTPUT_ATTRIBUTES_METADATA() {
 	send OUTPUT_ATTRIBUTE_METADATA "${outputAttributeAliases[0]-pdftotext}"    "string"