diff --git a/Programming_Languages/Shell/Read.md b/Programming_Languages/Shell/Read.md
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index 0000000..e69de29
diff --git a/_meta/Topic_Log.md b/_meta/Topic_Log.md
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--- a/_meta/Topic_Log.md
+++ b/_meta/Topic_Log.md
@@ -7,6 +7,8 @@
   - If it returns multiple values, how to isolate and loop through them
 - What the weird variable symbols mean like errors and stuff
 - Read up properly about `find` and `read`
+- `.list` file extension 
+- Error handling 
 
 ## SQL