If the data won't be changed, look into squashfs. Note that with the
right patches, that can use lzma on the fly (which is slow, but beats
the pants off bzip and gzip)
On Wed, 3 Dec 2008 10:23 pm, Paul M Foster wrote:
> On Wed, Dec 03, 2008 at 07:04:06PM -0500, Eben King wrote:
>
>> I downloaded a bunch of PDBs (3D chemical models) from the nice folks
>> at
>> wwdb.com and their rsync script. It's around 7.3 GiB when broken into
>> subdirectories and each subdir is tarred and bzipped, but around
>> 40-45 GiB
>> decompressed. That's the sort of thing I can't justify keeping around
>> uncompressed, but the viewer doesn't dive into archives
>> automatically. Is
>> there any sort of filesystem that stores data compressed then
>> uncompresses
>> it automatically, sort of like Stacker for Linux? I guess if there
>> were
>> software which enabled random access on a compressed file and I
>> loopback-mounted that file, that would work.
>
> My understanding is that mc and many other file managers will
> automatically decompress a file on the fly when you click on the
> filename. Then you can click on the file-within-a-file you want to look
> at, to launch the application that understands that filetype. For
> example, you can click on a tarball (gzipped tar file) of PDFs, and the
> PDF filenames will all show up. Then you can select (click) any of the
> PDFs and xpdf will run to show you the PDF.
>
> No, this isn't what you asked for, but I suspect it's easier than what
> you might have to go through to find and install a whole filesystem
> that
> does this.
>
> Paul
>
> --
> Paul M. Foster
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