Prining a pound sign from Python AND running from the command line at the same time
In order to make a python program executable on a Linix or Unix (e.g. OSX) system, you should:
a) change the file permissions using chmod (e.g.
chmod +x poundland
)
b) Add as the very first line of the file
#!/usr/bin/env python
so the operating system knows it's a
python program
c) Optionally add the current folder to the path (
export PATH=$PATH:.
) if you don't want to have to run with "./"
In order to display a pound sign from your Python program, common advise is to add
# -*- coding: utf-8 -*-
as the first line of your script.
Problem is .. you can't have both the
#!
line and the
-*- coding
lines as the first in your file.
Solution - reading the manually very carefully, I learned that the
-*- coding
line can be the first
or second line in the file .. thus it works if my code starts:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
Practical tests confirm that this works, but that even a blank line between the two causes it to fail.
Full source code example at
[here]
(written 2016-03-03, updated 2016-03-04)
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