execute script everywhere

[myang]

After we compile a C program, we can put the executable file under a
directory (like /bin) so that we can run it everywhere, and don't have to
type the full path.
Can we do the same thing to a python script?
For example, I have a script.py under "/home/john/". Can I just type "python
script.py" to run it under another directory "/home/tom/"?
Thanks!

Yang

[Erik Max Francis]

myang wrote:

After we compile a C program, we can put the executable file under a
directory (like /bin) so that we can run it everywhere, and don't have
to
type the full path.
Can we do the same thing to a python script?
For example, I have a script.py under "/home/john/". Can I just type
"python
script.py" to run it under another directory "/home/tom/"?

Make sure it has a proper bangpath, make it executable, and then put it
somewhere in your PATH. Then you can run it no matter what your pwd is
with

script.py

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__ Erik Max Francis && ma*@alcyone.com && http://www.alcyone.com/max/
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-- Horace Smith

[Paul Watson]

"myang" <my***@clarku.e du> wrote in message
news:ma******** *************** ************@py thon.org...

After we compile a C program, we can put the executable file under a
directory (like /bin) so that we can run it everywhere, and don't have to
type the full path.
Can we do the same thing to a python script?
For example, I have a script.py under "/home/john/". Can I just type "python script.py" to run it under another directory "/home/tom/"?
Thanks!

Yang

It appears that you are on a UNIX system. Most systems will support
"shebang" proceesing of the first line in the file. The first line tells
UNIX to find 'python' in the PATH and run it to exectute this script. Use
'man env' for more information.

#! /usr/bin/env python
import os
import sys
....

When you do this, you do not need to uses the word 'python' on the command.
At the '$' prompt, just use:

script.py

The first line tells it to use Python to process the file. Of course
/home/john where the script.py file exists must be in the PATH variable in
order to run it from anywhere. Just like you have /bin in your PATH
variable already.