From 603d406b20bd4931ed418630c0aca44fdbce93a8 Mon Sep 17 00:00:00 2001
From: Jerry Shi <zhijieshi@gmail.com>
Date: Thu, 23 Dec 2021 22:21:34 -0500
Subject: [PATCH] add another powershell command

---
 readme.MD | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/readme.MD b/readme.MD
index 31f6cc6..bf3a041 100644
--- a/readme.MD
+++ b/readme.MD
@@ -32,8 +32,12 @@ python cleanup-roster.py downloaded.xls -f 1 2
 python cleanup-roster.py downloaded.xls -f all
 ```
 
-In Powershell, the following command appends all students record to file all.csv.
+In Powershell, the following commands process multiple xls files.
 
 ```
-dir *.xls | foreach { py .\cleanup-roster.py $_ -a -o all.csv }
+# appends all student rows to all.csv
+dir *.xls | foreach { py cleanup-roster.py $_ -a -o all.csv }
+
+# save student records in separate csv files
+dir *.xls | foreach { py cleanup-roster.py $_ -o ($_.name -replace '.xls','.csv') }
 ```