added various scripts

read.py

@@ -0,0 +1,18 @@
+#!/usr/bin/python3
+import fileinput
+import sys
+import os
+
+files=set()
+for param in sys.argv[1:]:
+    if os.path.isfile(str(param)):
+#        print(param,"is file")
+        files.add(param)
+#   else:
+#        print(param,"NOT a file")
+
+
+print("all files:", files)
+files.add("-")
+for line in fileinput.input(files if len(files)>0 else "-"):
+    print(fileinput.filename(),":",line)