--- a/python/is_interactive.py	Tue Feb 07 10:28:00 2017 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,39 +0,0 @@
-#!/usr/bin/env python
-
-"""
-illustrates usage of isatty
-
-Ref: http://www.tutorialspoint.com/python/file_isatty.htm
-"""
-
-import optparse
-import os
-import sys
-
-# DOES NOT WORK! :(
-# > echo 'foo' | is_interactive.py
-# Usage: is_interactive.py [options]
-
-# is_interactive.py: error: missing input
-
-
-def main(args=sys.argv[1:]):
-    parser = optparse.OptionParser()
-    options, args = parser.parse_args(args)
-
-    function = str.upper
-
-    if args:
-        # take input from command line args
-        input = ' '.join(args)
-    elif not sys.stderr.isatty():
-        # take input from stdin
-        input = sys.stdin.read()
-    else:
-        # no input! cry!
-        parser.error("missing input")
-
-    print function(input)
-
-if __name__ == '__main__':
-    main()