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____/ Linonut on Friday 16 May 2008 00:43 : \____
> * rbchinchen@xxxxxxxxx peremptorily fired off this memo:
>
>> Today I was renaming come music videos I was recovering from a backup.
>> As most of you would know, doing this is usually a pain because you
>> have to play the file, figure out what it is and then close the player
>> or play another file so you can edit the file name of the video.
>>
>> Being an average user I was predisposed to do this through Windows,
>> archive on an external FAT32 hdd and have it accessible from both
>> Windows and Linux. But today, just to be adventurous, I tried doing it
>> through Linux, openGEU to be precise. I found that I could edit the
>> file names WHILE watching them, so I could have in one window the
>> videos playing and in the other my file manager program renaming the
>> files. I cut my time by more than half (just to explain a little
>> further, most of the clips have info a few seconds in about artist and
>> track).
>>
>> When I saw this phenomenom I was astounded. I am no expert on the
>> internal workings of an operating system, but it appears that Linux
>> can access a file even when its name changes, without needing the
>> information put back in. I just wanted to know, does anyone know
>> whether this is because of the FS I am using (ext3) or is it just the
>> way Linux works?
>
> It's a UNIX feature, copy-on-write. If one app has a file open, and
> another app modifies the file in anyway, the modified version becomes a
> copy of the original with the new modifications.
>
> When the old file is closed by the first app, it then goes away.
I sometimes delete video/music files while watching/listening to them to save
up disk space. They carry on playing.
- --
~~ Best of wishes
Roy S. Schestowitz | Here be hills, there be dragons!
http://Schestowitz.com | GNU/Linux | PGP-Key: 0x74572E8E
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http://iuron.com - next generation of search paradigms
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