From da89c9b63b4234655d1fb3144b0281386146211e Mon Sep 17 00:00:00 2001
From: Ed Chalstrey <edwardchalstrey@gmail.com>
Date: Mon, 28 Mar 2022 14:02:47 +0100
Subject: [PATCH] clarify comment

---
 etl/extract_mastermap.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/etl/extract_mastermap.sh b/etl/extract_mastermap.sh
index d5b2403c..f0863e0c 100755
--- a/etl/extract_mastermap.sh
+++ b/etl/extract_mastermap.sh
@@ -23,7 +23,9 @@ gunzip $data_dir/{} -k -S gml
 
 rename 's/$/.gml/' $data_dir/*[^gzvt]
 
-# Note: we may need to update the below for other downloads
+# Note: previously the rename cmd above resulted in some temp files being renamed to .gml
+# so I have specified the start of the filename (appears to be consistent for all OS MasterMap downloads)
+# we may need to update this below for other downloads
 find $data_dir -type f -name '*5690395*.gml' -printf "%f\n" | \
 parallel \
 ogr2ogr \