[Tutor] select particular directories and files

questions anon questions.anon at gmail.com
Tue Aug 30 06:40:08 CEST 2011 

ok, thanks for your help Andre

On Tue, Aug 30, 2011 at 2:37 PM, Andre' Walker-Loud <walksloud at gmail.com>wrote:

> to have multiple dirs is simple,
>
> for dir in glob.glob(MainFolder + '*/01/') + glob.glob(MainFolder +
> '*/02/') + glob.glob(MainFolder + '*/03/'):
>
>
> there may be a better way, but this should work.
>
>
> By the way, not to discourage you from asking questions on the list, but
> many of these things can be deduced quickly by trial and error using the
> python interpreter (the interactive python shell).  That is one thing I
> really like about python, you really can just play around with it.  And with
> all things, if you figure it out on your own, then you will likely feel
> better about that, and also, you will retain the knowledge better and gain
> more confidence in trying new things.
>
>
> Cheers,
>
> Andre
>
>
>
>
>
> On Aug 29, 2011, at 9:18 PM, questions anon wrote:
>
> It worked! thank you. This is the code I ended with:
>
> for dir in glob.glob(MainFolder + '*/01/'):
>         print dir
>         for ncfile in glob.glob(dir + '*.nc'):
>                 print ncfile
>
> can you choose more than one folder with glob?
> i.e. I tried:
> for dir in glob.glob(MainFolder + '*/01/', '*/02/', '*/03/'):
> but I received:
> TypeError: glob() takes exactly 1 argument (3 given)
>
>
> thanks
>
>
> On Tue, Aug 30, 2011 at 1:40 PM, Andre' Walker-Loud <walksloud at gmail.com>wrote:
>
>> hello,
>>
>> yes, I would also try adding a wild card in the dir search
>>
>> for dir in glob.glob(MainFolder + '01\*'):
>>>
>>>
>> to check if this is helps, in an interpreter (rather than script) try
>>
>> dirs = glob.glob(MainFolder + '\01\*'):
>> print dirs
>>
>>
>> if you get "[]" then this was not the answer, but if you get a list of
>> directories, then this should work.
>>
>> Well, it should work with the correction
>>
>>
>>         for ncfile in glob.glob(dir+'\*.nc'):
>>>
>>>
>>
>> Cheers,
>>
>> Andre
>>
>>
>>
>>
>>
>>
>> On Aug 29, 2011, at 8:35 PM, questions anon wrote:
>>
>> thanks, that was an error by me. but that still doesn't help me select the
>> dir and files!
>> Could it be because I am trying to select folders within other folders to
>> then get a file from each of those folders?
>>
>>
>> On Tue, Aug 30, 2011 at 1:30 PM, Andre' Walker-Loud <walksloud at gmail.com>wrote:
>>
>>> Dear Anonymous Questioner,
>>>
>>> I am not sure how the Windows environment works, but in linux, I would
>>> replace
>>>
>>>         for ncfile in glob.glob('.nc'):
>>>
>>>
>>> with
>>>
>>>         for ncfile in glob.glob('*.nc'):
>>>
>>>
>>> ie, add the "wild card" '*' character to grab all files which end in
>>> '.nc'
>>>
>>>
>>> Andre
>>>
>>>
>>>
>>>
>>> On Aug 29, 2011, at 7:23 PM, questions anon wrote:
>>>
>>> Thanks for responding
>>> When I try glob.glob I receive no errors but nothing prints.
>>>
>>> MainFolder=r"E:/Sample/"
>>> for dir in glob.glob(MainFolder + '01'):
>>>         print "my selected directories are:", dir
>>>         for ncfile in glob.glob('.nc'):
>>>             print "my selected netcdf files are:", ncfile
>>>
>>> any suggestions? thanks
>>>
>>>
>>> On Tue, Aug 30, 2011 at 10:07 AM, Emile van Sebille <emile at fenx.com>wrote:
>>>
>>>> On 8/29/2011 4:52 PM questions anon said...
>>>>
>>>>  I am trying to select particular files within
>>>>> a particular subdirectory,
>>>>>
>>>>
>>>> You might find glob a better starting point:
>>>>
>>>> ActivePython 2.6.6.15 (ActiveState Software Inc.) based on
>>>> Python 2.6.6 (r266:84292, Aug 24 2010, 16:01:11) [MSC v.1500 32 bit
>>>> (Intel)] on win32
>>>> Type "help", "copyright", "credits" or "license" for more information.
>>>> >>> import glob
>>>> >>> help(glob.glob)
>>>> Help on function glob in module glob:
>>>>
>>>> glob(pathname)
>>>>    Return a list of paths matching a pathname pattern.
>>>>
>>>>    The pattern may contain simple shell-style wildcards a la fnmatch.
>>>>
>>>> >>> for filename in glob.glob(r'C:\WSG\GL\2011-08\***.txt'):
>>>>    print filename
>>>> ...
>>>> C:\WSG\GL\2011-08\2011-01-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-02-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-03-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-04-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-05-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-06-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\2011-07 - bankToRec.txt
>>>> C:\WSG\GL\2011-08\2011-07 - vsdsToRec.txt
>>>> C:\WSG\GL\2011-08\2011-07-WIP-**Details.txt
>>>> C:\WSG\GL\2011-08\5790-00 RECONCILIATION.txt
>>>> C:\WSG\GL\2011-08\**BankRecUtils.txt
>>>> C:\WSG\GL\2011-08\**CapitalizationExamples.txt
>>>> C:\WSG\GL\2011-08\DEALLOCATE-**2011-04.txt
>>>> C:\WSG\GL\2011-08\dump glsmf1 data for 2004-2010.txt
>>>> C:\WSG\GL\2011-08\MAR DEALLOCATION.txt
>>>> C:\WSG\GL\2011-08\Notes.txt
>>>> C:\WSG\GL\2011-08\shipping safety net util.txt
>>>> C:\WSG\GL\2011-08\UNBILLED WIP.txt
>>>> C:\WSG\GL\2011-08\Vacation Accrual - post-bonus-changes.txt
>>>> C:\WSG\GL\2011-08\Vacation Accrual - pre-bonus-changes.txt
>>>> C:\WSG\GL\2011-08\vacation accrual notes.txt
>>>> >>>
>>>>
>>>>
>>>>
>>>>
>>>>  I have been able to do both but not together!
>>>>> When I try to select my files within the dir loop nothing comes up, but
>>>>> when I leave the files outside the dir loops it selects all the files
>>>>> not just the ones in the dirs I have selected.
>>>>> The code I am using is:
>>>>>
>>>>> import os
>>>>>
>>>>> MainFolder=r"D:/samples/"
>>>>>
>>>>> for (path, dirs, files) in os.walk(MainFolder):
>>>>>     for dir in dirs:
>>>>>         if dir=='01':
>>>>>             print "selected directories are:",dir
>>>>>
>>>>>             for ncfile in dir:
>>>>>                   if ncfile[-3:]=='.nc':
>>>>>                         print "ncfiles are:", ncfile
>>>>>
>>>>> Any feedback will be greatly appreciated!!
>>>>>
>>>>>
>>>>> ______________________________**_________________
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>>>>>
>>>>
>>>>
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>>
>>
>
>
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