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how can I implement "cd" like shell in Python?

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  how can I implement "cd" like shell in Python? Sergi Pasoev <s.pasoev@gmail.com> - 2012-06-28 15:09 +0400
    Re: how can I implement "cd" like shell in Python? Hans Mulder <hansmu@xs4all.nl> - 2012-06-28 13:33 +0200
    Re: how can I implement "cd" like shell in Python? Christian Heimes <lists@cheimes.de> - 2012-06-28 13:35 +0200
    Re: how can I implement "cd" like shell in Python? Laurent Pointal <laurent.pointal@free.fr> - 2012-06-28 19:13 +0200

#24603 — how can I implement "cd" like shell in Python?

Do you mean to implement the cd command ? To what extent do you want to
implement it ? if what you want is just to have a script to change the
current working directory, it is as easy as this:


import sys
import os
os.chdir(sys.argv[1])

plus you could add some error-handling code.

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#24605

On 28/06/12 13:09:14, Sergi Pasoev wrote:
> Do you mean to implement the cd command ? To what extent do you want to
> implement it ? if what you want is just to have a script to change the
> current working directory, it is as easy as this:
> 
> 
> import sys
> import os
> os.chdir(sys.argv[1])
> 
> plus you could add some error-handling code.

'cd' is a shell built-in, because otherwise it would have no effect.

You can write a Python script that invokes os.chdir(), but that won't
have any effect on the shell that starts the script.

What are you trying to achieve?

-- HansM

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#24606

Am 28.06.2012 13:09, schrieb Sergi Pasoev:
> Do you mean to implement the cd command ? To what extent do you want to
> implement it ? if what you want is just to have a script to change the
> current working directory, it is as easy as this:

Please note that you can't change the working directory of another
process. Your snipplet won't alter the current working directory of the
shell. "cd" is a builtin shell command, not a binary.

Christian

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#24623

Sergi Pasoev wrote:

> Do you mean to implement the cd command ? To what extent do you want to
> implement it ? if what you want is just to have a script to change the
> current working directory, it is as easy as this:
> 
> 
> import sys
> import os
> os.chdir(sys.argv[1])
> 
> plus you could add some error-handling code.

To have a shell / python script interaction for cwd management, you can take 
a look at autojump

	https://github.com/joelthelion/autojump/wiki

Its a Python script + different shells glue.

A+
Laurent.


-- 
Laurent POINTAL - laurent.pointal@laposte.net

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