🎨 Expose OCR textequiv_level as a environment variable

my_ocrd_workflow

@@ -2,8 +2,11 @@
 
 set -e  # Abort on error
 
-# Set up logging
+# Configuration
 export LOG_LEVEL=${LOG_LEVEL:-DEBUG}  # /etc/ocrd_logging.py uses this to set level for all OCR-D modules
+export TEXTEQUIV_LEVEL=word
+
+# Set up logging
 if [ "$LOG_LEVEL" = "DEBUG" -o "$LOG_LEVEL" = "TRACE" ]; then
   set -x
 fi
@@ -69,7 +72,7 @@ do_ocr() {
 
   ocrd_tesserocr_recognize_parameters='{
     "model": "GT4HistOCR_2000000",
-    "textequiv_level": "word"
+    "textequiv_level": "'$TEXTEQUIV_LEVEL'"
   }'
   ocrd workspace remove-group -rf OCR-D-OCR-TESS
   ocrd-tesserocr-recognize -I OCR-D-SEG-LINE -O OCR-D-OCR-TESS -p "$ocrd_tesserocr_recognize_parameters"
@@ -80,7 +83,7 @@ do_ocr_calamari() {
 
   ocrd_calamari_recognize_parameters='{
     "checkpoint": "/var/lib/calamari-models/GT4HistOCR/2019-07-22T15:49+0200/*.ckpt.json",
-    "textequiv_level": "word"
+    "textequiv_level": "'$TEXTEQUIV_LEVEL'"
   }'
   ocrd workspace remove-group -rf OCR-D-OCR-CALAMARI
   ocrd-calamari-recognize -I OCR-D-SEG-LINE -O OCR-D-OCR-CALAMARI -p "$ocrd_calamari_recognize_parameters"