[ lame-Feature Requests-3525781 ] Option to preserve the file creation + modification date in
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Feature Requests item #3525781, was opened at 2012-05-11 01:44
Message generated for change (Comment added) made by robert
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Category: Frontends (lame/mp3x/...)
Group: Compatibility
Status: Open
Priority: 5
Private: No
Submitted By: Stefan Schnitter (superfreaky)
Assigned to: Nobody/Anonymous (nobody)
Summary: Option to preserve the file creation + modification date in
Initial Comment:
Hi,
having many old files which require sorting by date.
I need to retain the file creation and change dates, so an option/checkbox to select this would be very helpful.
This is a common request (3489332 Add encoding option to maintain file modification time Open 2012-02-19 nobody jmcatee 5 ) and easy to implement and would maintain compatibilty,
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Comment By: Robert Hegemann (robert)
Date: 2012-07-06 01:51
Message:
There exist native Win32 ports of the touch utility, it is part of the GNU
file utils.
from the command shell:
D:\UnixUtils\usr\local\wbin>touch --version
touch (GNU fileutils) 3.16
dependencies:
***************************| Module Dependency Tree
|***************************
*
*
* Legend: F Forwarded Module ? Missing Module 6 64-bit Module
*
* D Delay Load Module ! Invalid Module
*
* * Dynamic Module E Import/Export Mismatch or Load Failure
*
* ^ Duplicate Module
*
*
*
********************************************************************************
[ ] d:\unixutils\usr\local\wbin\TOUCH.EXE
[ ] c:\windows\system32\CRTDLL.DLL
[ ^ ] c:\windows\system32\KERNEL32.DLL
[F^ ] c:\windows\system32\NTDLL.DLL
[ ] c:\windows\system32\KERNEL32.DLL
[ ] c:\windows\system32\NTDLL.DLL
[ ^ ] c:\windows\system32\CRTDLL.DLL
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Comment By: Thomas Orgis (sobukus)
Date: 2012-07-06 01:25
Message:
Well, strictly speaking, the touch command should work on Windows when you
use Cygwin or Msys;-)
But in any case it is rather trivial to add that step to the frontend
application (Audacity in this case). The advantage: In Audacity, the
functionality should be generic, you would be able to preserve timestamps
(propagate from input files or keep the one of an existing output file) for
any output format, not just MP3 via LAME.
It would be much more powerful to have such a feature in the frontend.
Also, thinking of the variant that you want to keep the time stamps of
input files (re-reading the comments, I guess that is what you want) ...
are we talking about using Audacity to auto-convert a large collection of
WAVs (or whatever) to MP3? Does it have a batch functionality?
If not, I would also under windows strongly recommend using a shell like
Cygwin ... it's so much more fun to automate tasks. Anyhow, let's consider
you use Audacity ... if you have an input file and work with it (cutting,
effects), then want to export with LAME; In that case, LAME gets fed an PCM
stream, not a file (I suppose) ... it has no way of knowing the timestamps
of any original input file, so this feature would be impossible!
(Disclaimer: I'm just giving my opinion here, I am not actually working on
LAME. So if you feel annoyed by my persistence about not adding such
functionality to LAME, don't be angry at the LAME project people;-)
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Comment By: Stefan Schnitter (superfreaky)
Date: 2012-07-05 06:44
Message:
The majority of users has Windows, so the below commands do not work. THe
files have different timstamps, so one cannot change them recursively to
match. It would be very helpful, Windows frontends like Audacity would
support this feature.
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Comment By: Robert Hegemann (robert)
Date: 2012-07-05 05:57
Message:
This doesn't sound like a feature I would add to LAME. People, who really
need to have their mp3 files with the same timestamps, can run "touch -r
my.wav my.mp3" afterwards and be done with it.
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Comment By: Thomas Orgis (sobukus)
Date: 2012-07-05 03:56
Message:
Are we really talking about creation time? This does not exist in POSIX.
There is access and modification time (as well as attribute change time).
If we want to keep modification time, this sequence of shell commands would
do the trick:
mv file.mp3 file.mp3.old
lame input.wav file.mp3
touch -r file.mp3.old file.mp3
rm file.mp3.old
file.mp3 will have new contents but old mtime / atime.
My point being: Should one really add functionality to lame to lie about
what it does (modifying the output file)? Isn't that orthogonal to its
purpose of encoding MPEG audio?
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Comment By: Stefan Schnitter (superfreaky)
Date: 2012-07-03 03:14
Message:
This was the description for Audacity. For LAME, a commandline option
"--preserve-filedates" could be used.
Many have Gigabytes with old wave/other audio formats to be converted.
----------------------------------------------------------------------
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