Add helper script for debugging

.gitignore

@@ -1,9 +1,9 @@
 .DS_Store
 node_modules
 *.log
+extract/
 checkouts
-public-optimized
-test.sql
+*.xlsx
 .idea/.name
 .idea/encodings.xml
 .idea/misc.xml

format-xml.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Helper script to extract test files to make them easier to visually inspect
+
+mkdir extract
+
+for x in *.xlsx ; do
+
+    rm -r extract/$x
+    mkdir extract/$x
+    cd extract/$x
+    unzip ../../$x
+
+    for f in $(find . -name '*.xml') ; do
+
+        mv $f $f.old
+        xmllint --format $f.old > $f
+        rm $f.old
+
+    done
+
+    cd ../..
+
+done