Some code cleanup

.flake8

@@ -1,6 +1,7 @@
 [flake8]
 exclude =
     Integrations/VMware/UAG
+    Integrations/Dell/VxRail
 
 ignore =
     # E203 whitespace before ':' (per Black, this is actually correct in some cases)

cli/logview.py

@@ -0,0 +1,31 @@
+import time
+import os
+
+def tail(filename, n=10):
+    '''
+    Print the last `n` lines from the file with name `filename`
+    '''
+    with open(filename, 'r') as file:
+        lines = file.readlines()
+        last_lines = lines[-n:]
+        for line in last_lines:
+            print(line, end='')
+
+def tail_follow(filename):
+    '''
+    Continuously monitor the file with name `filename` and
+    print new lines as they are written to the file.
+    '''
+    with open(filename, 'r') as file:
+        # Move to the end of the file
+        file.seek(0, os.SEEK_END)
+        while True:
+            line = file.readline()
+            if not line:
+                time.sleep(0.1)    # Sleep briefly
+                continue
+            print(line, end='')
+
+# Example usage:
+# tail('my_file.txt')
+tail_follow('npyscreen.log')