04-21-2010
Vanishing MP3s
Thanks everyone for your suggestions. They all worked, as far as the script itself is concerned, but I encountered one issue:
I've got like 6 folders (albums) from that same artist, with mp3s of the format I described (00*-actualsongname*.mp3).
Before running the script I make a backup folder with the mp3s I want to modify, where I'll run the script (as per pseudocoder's suggestion). When I compare the folders after running the script, I notice that there are fewer files in the backup folder than in the original one.
So there may be a chance that, in the filenames, after the '00*-' part, the rest of the filename is the same. Could it be the reason that some mp3s disappeared? I can't really know for sure as there are at least 150 mp3s in each original folder, which are sorted by filename i.e. '00*-'
Out of the 6 albums, there was only one where no mp3s disappeared.
Hope I was clear enough.
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LEARN ABOUT DEBIAN
qmp3join
qmp3join(1) quelcom man pages qmp3join(1)
NAME
qmp3join - join mp3 files
SYNOPSIS
qmp3join [option]... file1 file2...
DESCRIPTION
qmp3join reads a list of mp3 files and joins them in one mp3 file in the specified order. some conditions must be met for the parameters of
each of the files (see NOTES section).
OPTIONS
-f, --force
force join bypassing bit rate checks. by default, to join two files they must be both vbr (have variable bit rate) or have the same
bit rate. using this option you can skip this check.
-h, --help
show a brief help and exit.
-o <outfile>, --output=<outfile>
outfile is the name of the file where all the frames will be copied. if this option is not used, the frames from the second to the
last file of the list will be appended to file1.
-v, --verbose
show which operations are done.
-V, --version
show version and exit.
NOTES
(all) the following parameters are required to be common for two mp3 files to be joined: [fill this!!!]. also, about the bit rate parame-
ter, both mp3 must have the same value or (both) must have a variable bit rate. this restriction would be by-passable with the --force
flag.
before joining, all the streams are tested for validity. this is a time consuming operation.
in any case, qmp3join can be viewed like a better but restrictive cat for mp3 files, due to the mp3 file format characteristics.
BUGS
tests have been done only with mpeg version 1 layer iii streams, though it may (or not) work with other versions/layers.
AUTHOR
dmanye@etse.urv.es
http://www.etse.urv.es/~dmanye/quelcom/quelcom.html
SEE ALSO
qmp3info(1), qmp3cut(1), qmp3check(1), qmp3report(1)
qwavinfo(1), qwavjoin(1), qwavcut(1), qwavsilence(1), qwavfade(1), qwavheaderdump(1)
quelcom 0.4.0 february 2001 qmp3join(1)