Add purge cli for purge nand2tetris compare data

test/data/pruge.py

@@ -0,0 +1,30 @@
+#! /usr/local/bin/python3
+# -*- coding: utf-8 -*-
+
+import argparse
+
+
+def pruge(path):
+    with open(path) as f:
+        result = [l.strip('\n').replace(' ', '').strip('|') for l in f.readlines()]
+    return result
+
+
+def save(data, path):
+    with open(path, 'w') as f:
+        f.write('\n'.join(data))
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('input')
+    parser.add_argument('-w', action='store_true')
+
+    args = parser.parse_args()
+
+    data = pruge(args.input)
+    if args.w:
+        save(data, args.input)
+    else:
+        for i in data:
+            print(i)