diff --git a/scripts/pdf2txt/README b/scripts/pdf2txt/README
index b7a0a57..ee19bd7 100644
--- a/scripts/pdf2txt/README
+++ b/scripts/pdf2txt/README
@@ -1,6 +1,6 @@
 Use pdftotext to convert library PDF files into plaintext.
 https://dokk.org/manpages/debian/12/poppler-utils/pdftotext.1.en
 
-    mkdir nodes txt
-    for file in *.pdf; do pdftotext -layout "$file" - > txt/"$(basename "$file").txt"; done
-    for file in txt/*; do ./txt2rdf.py "$(basename "$file")"; done
+    mkdir nodes
+    export PDF_FOLDER=
+    i=0; for file in $(find $PDF_FOLDER -type f -name *.pdf); do i=$(( i + 1 )); pdftotext -layout "$file" - | ./pdf2rdf.py $file > nodes/$i.jsonld; done
diff --git a/scripts/pdf2txt/txt2rdf.py b/scripts/pdf2txt/pdf2txt.py
similarity index 55%
rename from scripts/pdf2txt/txt2rdf.py
rename to scripts/pdf2txt/pdf2txt.py
index 941f8ba..56d6865 100755
--- a/scripts/pdf2txt/txt2rdf.py
+++ b/scripts/pdf2txt/pdf2txt.py
@@ -3,25 +3,26 @@
 # Take the plaintext as input and output RDF
 
 import json
+import os
 import sys
+from pathlib import Path
 
+assert 'PDF_FOLDER' in os.environ
+assert len(sys.argv) == 2
+PDF_FOLDER = os.environ['PDF_FOLDER']
 filename = sys.argv[1]
+assert filename.endswith('.pdf')
+plaintext = sys.stdin.read()
 
-# Remove file extension
-assert filename.endswith('.pdf.txt')
-id = filename[:-8]
-
-with open(f'txt/{filename}', 'r') as file:
-    plaintext = file.read()
+file_id = Path(filename).relative_to(Path(PDF_FOLDER))
 
 node = {
     '@context': {
         'blob': 'dokk:vocab:blob:'
     },
 
-    '@id': f'file:/pdf/{id}.pdf',
+    '@id': f'file:/pdf/{file_id}',
     'blob:pdftotext': plaintext
 }
 
-with open(f'nodes/{id}.jsonld', 'w') as file:
-    json.dump(node, file, indent=4, ensure_ascii=False)
+print(json.dumps(node, indent=4, ensure_ascii=False))