[Tutor] sys.argv[1: ] help

Richard gelling uselinux34 at yahoo.co.uk
Sun Feb 27 19:57:30 CET 2005


Hi,

It is actually associated with just 'python', changed it to associate
with 'pythonw' and I got nothing on the same example not even the [], so
I am assuming that 'python' is the correct one?













Liam Clarke wrote:

>Yeah, right click on a .py and check if it's associated with pythonw
>or python.exe
>
>GL,
>
>Liam Clarke 
>
>
>On Sun, 27 Feb 2005 18:28:18 +0000, Richard gelling
><uselinux34 at yahoo.co.uk> wrote:
>  
>
>>Hi,
>>Yes, I use both Wndows XP and Linux( at work ) . I left that in by
>>mistake I am actually just typing in
>>
>>arg1,py a b c
>>
>>at the windows XP command prompt
>>
>>Sorry for the confusion.
>>
>>
>>Liam Clarke wrote:
>>
>>    
>>
>>>Are you using XP still? I've never seen this before -
>>>
>>>
>>>      
>>>
>>>>./arg1.py a  b c
>>>>
>>>>
>>>>        
>>>>
>>>But anyhoo, I tried out just
>>>'c:\python23\foo.py'
>>>as opposed to
>>>'c:\python23\python foo.py' and
>>>while foo.py will run, it doesn't echo to the console, as on my
>>>machine running a .py file runs it through pythonw.exe - I'd check it
>>>out for your machine, it's probably the same. You'd need to change the
>>>association to python.exe, but that would mean that you always got a
>>>DOS box for every Python script you ran, which is annoying with GUIs.
>>>
>>>Erm, if you don't want to type in python each time, either change the
>>>association or create a batch file called x or a or something that
>>>runs Python  and stick it in a directory that's in your PATH system
>>>variable. Only problem with that is passing command line variables....
>>>
>>>...might just be better to type python....
>>>
>>>Good Luck,
>>>
>>>Liam Clarke
>>>
>>>On Sun, 27 Feb 2005 17:55:54 +0000, Richard gelling
>>><uselinux34 at yahoo.co.uk> wrote:
>>>
>>>
>>>      
>>>
>>>>Hi,
>>>>
>>>>No What I get if I was to type in
>>>>./arg1.py a  b c
>>>>
>>>>All I get is
>>>>[]
>>>>
>>>>If i type at the command prompt
>>>>
>>>>python arg1.py a b c
>>>>
>>>>I get ['a','b','c']  as expected
>>>>
>>>>All the other programs and examples I have typed in work fine just by
>>>>typing in the file name, I don't have to preced the file name with
>>>>python, only this example. I hope this makes it clearer
>>>>
>>>>Richard G.
>>>>
>>>>
>>>>Nick Lunt wrote:
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>>>Richard,
>>>>>
>>>>>if you try to print sys.argv[1:] when sys.argv only contain sys.argv[0]
>>>>>then you are bound to get an empty list returned, [] .
>>>>>
>>>>>Im not sure I understand the problem you think you've got but here's
>>>>>what happens with sys.argv for me, and it's correct.
>>>>>
>>>>>[argl.py]
>>>>>
>>>>>$ cat argl.py
>>>>>#!/usr/bin/python
>>>>>
>>>>>import sys
>>>>>print sys.argv[1:]
>>>>>
>>>>>
>>>>>./argl.py
>>>>>[]
>>>>>
>>>>>./argl.py a b c
>>>>>['a', 'b', 'c']
>>>>>
>>>>>Is that what your getting ?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>>>Sorry for the late response, I tried all of the the suggestions,
>>>>>>including correcting my typo of print sys[1:] and tried print
>>>>>>sys,argv[1:], this does now work as long as I run 'python test.py fred
>>>>>>joe' it returns all the arguments. If I try just test.py all I get is
>>>>>>'[]' . Is there something wrong with my environmental variables in
>>>>>>Windows XP, I would like to be able to just use the file name rather
>>>>>>than having to type python each time. Any help would be gratefully received.
>>>>>>
>>>>>>Richard G.
>>>>>>_______________________________________________
>>>>>>Tutor maillist  -  Tutor at python.org
>>>>>>http://mail.python.org/mailman/listinfo/tutor
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>_______________________________________________
>>>>>Tutor maillist  -  Tutor at python.org
>>>>>http://mail.python.org/mailman/listinfo/tutor
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>_______________________________________________
>>>>Tutor maillist  -  Tutor at python.org
>>>>http://mail.python.org/mailman/listinfo/tutor
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>
>>>
>>>      
>>>
>>_______________________________________________
>>Tutor maillist  -  Tutor at python.org
>>http://mail.python.org/mailman/listinfo/tutor
>>
>>    
>>
>
>
>  
>




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