Re: Working with large directories

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On 03/16/2012 04:25 PM, fred smith wrote:
On Fri, Mar 16, 2012 at 11:01:03PM +1030, Tim wrote:
On Thu, 2012-03-15 at 23:01 -0700, Robert Moskowitz wrote:
Nautilus takes forever to list these directories and at times
I just want to look for a particular file by string in the name.  Is
there a fast graphic tool for this?  Then when I find the desired
file, I typically open it in Firefox.

Nautilus seems to sniff the files to discover their types, and a plug-in
tries to generate a thumbnail image for the file.  Both these features
are painfully slow with moderately largish directories.  You can turn
off the inclusion of the filetype in the list details, but not the image
generation.  Perhaps the plug-in could be manually replaced with
something which worked faster, or instantly "did nothing."

I've used the emelFM2 file manager as an alternative, it doesn't show
thumbnails of files.  And it does let you do some wildcarding to
show/hide files in the lister gadget.

I think it's most likely not that nautilus, etc., are slow in
large directories, it is that large directories take a long time
to search for files, making any action on those directories much
slower than normal. A "problem" of long-standing on pretty much
all Unix(-ish) file systems (and I'm not saying it won't happen on
other systems, I don't really know, but suspect it does.)

Many file managers not only generate thumbs, stats and other things,
but if the directory is quite large there's a significant time spent
sorting the filenames into alphabetical order. For example, from the
command line go to a large directory and time the difference between
an "ls" and an "ls -f". It can be frightening (e.g. checking the
mail spool of a busy mail server).
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