Added CLI example to README, corrected an omop.json error

README.md

@@ -8,12 +8,9 @@ TODO:
 Reduction in complexity over the original CaRROT-CDM version for the Transform part of *ETL* - In practice *Extract* is always 
 performed by Data Partners, *Load* by database bulk-load software.
 
-Sample command line:
+Statistics
 
-`carrot-transform run mapstream \
-        --rulesfile=${DATASETHOME}/rules/mapping.json \
-        --person-file=${DATASETHOME/input/Demographics.csv \
-        --omop-version="5.3" \
-        --output-dir=${DATASETHOME}/output \
-        ${DATASETHOME}/input`
+External libraries imported (approximate)
 
+carrot-cdm      61
+carrot-transform 12

carrottransform/config/omop.json

@@ -26,6 +26,10 @@
     "visit_occurrence": {
 	    "visit_start_datetime": "visit_start_date", 
 	    "visit_end_datetime": "visit_end_date"
+    },
+    "device_exposure": {
+	    "device_exposure_start_datetime": "device_exposure_start_date", 
+	    "device_exposure_end_datetime": "device_exposure_end_date"
     }
   },
   "date_field_components": {
@@ -46,6 +50,7 @@
     "person": "person_id",
     "procedure_occurrence": "person_id",
     "specimen": "person_id",
+    "device_exposure": "person_id",
     "visit_occurrence": "person_id"
   },
   "auto_number_field": {
@@ -56,6 +61,7 @@
     "observation": "observation_id",
     "procedure_occurrence": "procedure_occurrence_id",
     "specimen": "specimen_id",
+    "device_exposure": "device_exposure_id",
     "visit_occurrence": "visit_occurrence_id"
   }
 }