[Bioc-devel] BiocFileCache for developers

Sean Davis seandavi at gmail.com
Fri Dec 1 17:06:39 CET 2017

On Fri, Dec 1, 2017 at 10:28 AM, Michael Love <michaelisaiahlove at gmail.com>

> hi,
> I'm writing a function which currently uses BiocFileCache to store a
> small data.frame and one or more TxDb objects, so that these objects
> are persistent and available across sessions (or possible available to
> multiple users).
> In the simplest case, I would call
> bfc <- BiocFileCache()
> inside my function, which will check the default location:
> user_cache_dir(appname = "BiocFileCache")
> In general, should developers also support the user specifying a
> specific location for the BiocFileCache? So functions using
> BiocFileCache should have an argument that overrides the above
> location?

On some systems, the user home directory is not large (such as on HPC
systems) or has strong quotas. The default user_cache_dir may not be the
best choice there.


> thanks,
> Mike
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Sean Davis, MD, PhD
Center for Cancer Research
National Cancer Institute
National Institutes of Health
Bethesda, MD 20892

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