error correct trailing slash for input path

Sandbox Scripts/extract.py

@@ -18,6 +18,7 @@ import re
 
 EXTENSION = "eml"
 OUTREGEX = ".*\\\\"
+INREGEX = ".*\\\\$"
 
 def extract(filename):
     print(filename)
@@ -59,6 +60,10 @@ if __name__ == "__main__":
     path = ""
     if len(sys.argv) > 1:
         path = sys.argv[1]
+        #Make sure there's a trailing slash
+        pathRE = re.search(INREGEX, path)
+        if pathRE is None:
+            path += "\\\\"
     else:
         path = "./"
     # let's do this in parallel, using cpu count as number of threads