One final question as I dive into looking at these two methods:  can you expose 
whole hierarchies and directories using the "from_file" method or will this 
only work on an individual sample basis?

If not, is there any method for exposing a the whole of a directory on the file 
system?

Thanks,
Nathan


-----Original Message-----
From: Hans-Rudolf Hotz [mailto:h...@fmi.ch] 
Sent: Tuesday, October 01, 2013 10:11 AM
To: Cole, Nathan (NIH/NCI) [C]
Cc: 'galaxy-dev@lists.bx.psu.edu'
Subject: Re: [galaxy-dev] Dynamic data library



On 10/01/2013 03:53 PM, Cole, Nathan (NIH/NCI) [C] wrote:
> Thank you both for your responses.  I will be looking into both of these.
>
> With regard to the from_file option to add the sample selection into the 
> tool:  I assume this means that the metadata and everything is loaded into 
> galaxy at the time the tool is run.

This depends on how you write your tool. Do you just wanna read the ie fastq 
file or do you also wanna read the meta data. Also, how is the meta data 
accessible? eg. is it stored in a txt file at the same location as the fastq 
file?

 > Does this create a copy of the loaded file or simply read it in place?  Also 
 > are there any efficiency issues created using this method, outside of the 
 > tool run time increase due to the load of the data taking place in-tool?

It should just read it in place

Hans-Rudolf

>
> Thanks,
> Nathan
>
> -----Original Message-----
> From: Hans-Rudolf Hotz [mailto:h...@fmi.ch]
> Sent: Tuesday, October 01, 2013 4:07 AM
> To: Cole, Nathan (NIH/NCI) [C]
> Cc: Martin Čech; galaxy-dev@lists.bx.psu.edu
> Subject: Re: [galaxy-dev] Dynamic data library
>
> Hi Nathan
>
>
> Do you have many tools working with those samples or just a few? If you only 
> have a limited, predefined set of tools you might wanna consider adding the 
> sample selection into the tool.
>
> You can use the from_file, or from_data_table options to dynamically 
> create sample selection list. You can even drill down a hierarchical 
> list. Have a look at 
> ~/tools/annotation_profiler/annotation_profiler.xml
> which uses the file
> ~/tool-data/annotation_profiler_options.xml
>
> All you need to do is keeping the file in sync with the directory 
> structure of your samples directory
>
>
> Regards, Hans-Rudolf
>
>
>
>
>
>
> On 09/30/2013 09:48 PM, Martin Čech wrote:
>> Hi Nathan,
>>
>> Dannon answered similar question few days ago:
>>
>>      There's an import mechanism in libraries that'll allow you to simply
>>      link to the file on disk without copy/upload.  I believe the
>>      "example_watch_folder.py" sample script (in the distribution) does
>>      just this via the API, if you want an example.
>>
>>
>> This might be what you are looking for.
>>
>> Martin
>>
>>
>> On Mon, Sep 30, 2013 at 2:43 PM, Cole, Nathan (NIH/NCI) [C] 
>> <nathan.c...@nih.gov <mailto:nathan.c...@nih.gov>> wrote:
>>
>>      Hello, we’ve set up a local Galaxy instance in our genotyping and
>>      next-gen sequencing lab with local Apache LDAP (AD) integration, NFS
>>      mounts to a large NAS, and cluster integration coming.  Do to the
>>      high volume of samples and staff that will be using the system, I
>>      want to set up data libraries (without copying to Galaxy).  This is
>>      obviously no problem the first time, however I was wondering if
>>      there was a way to make a library, added from a system path, be
>>      dynamic so that it would stay synchronized with the underlying file
>>      structure?____
>>
>>      __ __
>>
>>      If a try dynamic library is not possible, is there a method for
>>      adding files to an existing library via that same system path that
>>      would not duplicate all of the original files in the data 
>> library?____
>>
>>      __ __
>>
>>      I did some scouring of the list and found some old unanswered
>>      questions and some things tangentially related topics, but I was
>>      unable to find a true answer or solution to my problem.  Any
>>      information on how to do the tasks above or other solutions to
>>      provide the same functionality would be greatly appreciated.____
>>
>>      __ __
>>
>>      Thanks,____
>>
>>      Nathan____
>>
>>      __ __
>>
>>
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>>
>>
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