various questions (hoary)

[Magnus Therning]

On Fri, Sep 02, 2005 at 03:36:50AM +0200, Martin Ericsson wrote:
[..]
>3) Late one night I tried a program to sort my music-files into a
>logical file hierarchy. Unfortunaly I was very tired and the result was
>that most of the music now is stored in paths like
>/mnt/fatty/music/artist/album/artist/album/artist/album/song.ogg. Not
>very convenient. So I'd like a script to move every files from any
>subfolder of /mnt/fatty/music to placed into just /mnt/fatty/music, and
>then delete all empty subfolders.  After that I'll try the same
>application again and hope for better luch : )   Any ideas?

Moving every file can be done using something like:

 find /mnt/fatty/music -type f -print0|xargs --null -- mv /mnt/fatty/music

If you aren't interested in moving all files in all subdirs then 'find'
can be told to filter in a myriad of ways...

Removing the dirs can be done in a similar way:

 find /mnt/fatty/music -depth -type d -print0|xargs --null -- rmdir \
 --ignore-file-on-nonempty

>4) Do I lose music quality if I convert mp3's to ogg vorbis with mp32ogg?

Yes, most often re-coding from one lossy encoding to another lossy
encoding will result in loss of quality. Roughly speaking you add up
artefacts.

>7) Can I save none-gnome passwords in a keyring? Right now I have
>unencrypted password to all kinds of things on my computer. And how do
>I backup the keyring?

The gnome-keyring lacks a good, usable interface for storing secrets
manually. There are better options, revelation, gringotts, and
keysafe[1] are programs I've used for keeping secrets safe.

/M

1. http://therning.org/magnus/computer/keysafe/

-- 
Magnus Therning                    (OpenPGP: 0xAB4DFBA4)
magnus at therning.org
http://therning.org/magnus

Software is not manufactured, it is something you write and publish.
Keep Europe free from software patents, we do not want censorship
by patent law on written works.

Cryptography, at least in its public embodiment, is finally, slowly,
and painfully becoming a science. Part of that evolution is the
dawning of an understanding of exactly what cryptographic guarantees
mean, and how delicate they can be. I think it's safe to say that not
a single *cryptographic* claim made in any paper published before, oh,
1985 or so (perhaps even as late as 1990) could be fully justified
today. (Of course, the better work was usually *almost* correct, but
the theoretical underpinning was simply not there to even state the
claims in a way that could be properly formalized.)
      -- Jerry Leichter
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