Re: Create a directory using tex

[Aditya Mahajan <adityam@umich.edu>]

On Wed, 30 Aug 2006, Hans Hagen wrote:

> Aditya Mahajan wrote:
>> On Tue, 29 Aug 2006, Taco Hoekwater wrote:
>>
>>
>>> Aditya Mahajan wrote:
>>>
>>>> Hi,
>>>>
>>>>   I want to create a macro that writes files in a sub directory.
>>>> If the directory is already created, things work fine. However, if the
>>>> directory is not there, tex complains
>>>>
>>>> ! I can't write on file ....
>>>>
>>>> Please type another output file name:
>>>>
>>>>   Is there a way I can ask tex to create a directory if one does not
>>>> exist?
>>>>
>>> Not with TeX, but you can use \write18 or \installprogram  to run a
>>> system command.
>>>
>>
>> Can I ask TeX to check if a directory exists or is writable. I want it
>> to give an informative message if the directory does not exist.
>>
>> Or is there a way to check if a file is writable, so that I can do
>>
>> \doiffilewritable{dir/tempfile}{\donothing}{\message{Warning}{Please
>> create directory 'dir' \endinput}
>>
>>
> for a while there has been a way to ask for file characteristics
> (x-dir-01 can be used to generate a clickable listing and x-dir-05 for
> indentifying files)
>
> permissions were not part of that but easy to add, i'm generating you a
> beta that has permissions added

Thank you. I will play around with this and ctx preprocessing.

Aditya

> \usemodule[x][dir-05]
>
> \getfilestate{context.tex}
>
> \doifinstringelse{w}{\getvariable{filestate}{permissions}}
>  {writable}
>  {not writable}
>
>
> \end
>
>
>
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-- 
Aditya Mahajan, EECS Systems, University of Michigan
http://www.eecs.umich.edu/~adityam || Ph: 7342624008