[Newbies] Re: AW: Walk directory of files?

[Charles Hixson]

On 10/21/2013 11:55 AM, Herbert König wrote:
> Charles,
>
> you're right (I assumed you'd find it once you know it's there :-))
>
> Never had to care about BOM headers, so I didn't know what they are 
> until I looked them up now. But I read UTF8 files all the time.
> Entering bom in the search field yields some methods e.g. in 
> UTF8TextConverter, I assume that's why I never ran into it. Seems to 
> 'just work' (TM).
>
> Also there's FileDirectory>>fileNamesMatching: which may help you with 
> your file names matching.
>
> Re generators, make a seperate post for a new topic, people may assume 
> I replied already.
>
> Or try Squeak dev.
>
> Cheers,
>
> Herbert
>
>
> Am 21.10.2013 19:14, schrieb Charles Hixson:
>> On 10/21/2013 02:07 AM, Herbert König wrote:
>>> Hi Charles,
>>>
>>> No Squeak handy but there is a allfilesinalldirectories. This will 
>>> give you all files in all subfolders. Tonight I will look up the 
>>> real name but you may be able to find it in FileStream or similar 
>>> yourself.
>>>
>>> Cheers
>>> Herbert
>>>
>>>
>>>
>>> -------- Ursprüngliche Nachricht --------
>>> Von: Charles Hixson <charleshixsn at earthlink.net>
>>> Datum: 21.10.2013 9:14 (GMT+01:00)
>>> An: beginners at lists.squeakfoundation.org
>>> Betreff: [Newbies] Walk directory of files?
>>>
>>>
>>> What is the best way to walk a directory of files?
>>> It would be nice is I could just:
>>> Get next file?
>>> exitst?  ifFalse then done
>>> match pattern?  ifFalse, then go to first step
>>> return file
>>>
>>> This requires that the method track where I am.  I think I can figure
>>> out how to stuff them into a collection, and return the entire
>>> collection of matched files, and perhaps that's the right answer, but
>>> that's not the way I would do it in Python or Ruby, so perhaps it's 
>>> also
>>> not the way to do it in Smalltalk.
>>>
>>> Also, if it matters, the files will be utf-8 files, many of them with
>>> BOMs. (Well, not really BOMs, since it's utf8, but the utf8 header.)
>>> Does Squeak recognize BOM headers?
>>>
>>> -- 
>>> Charles Hixson
>>>
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>> I think that means I should use
>> Files-Directories : FileDirectory : fullNamesOfAllFilesInSubtree
>> and store the collection as I walk through the files processing them 
>> rather than use what Python would call a generator.
>>
>> Do you know whether when reading a utf8 file the BOM is recognized?  
>> Or do I need write a handler to strip it off?
>> -- 
>> Charles Hixson
>>
>>
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>
>
>
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If you don't know about generators, and know about file handling, I'll 
assume that that's not the Squeak idiom.  I can do the same thing with a 
Collection, I just do things in a slightly different order.

And thanks for the help.

-- 
Charles Hixson

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