How do I unite cd1 to cd2? Is Kino the tool?

Dotan Cohen dotancohen at
Fri Jan 16 17:19:57 UTC 2009

2009/1/16 Matthew Flaschen <matthew.flaschen at>:
> Dotan Cohen wrote:
>> I saw several emails where you performed some "file" commands, do you
>> know what they were for? Do you know what the exec commands were for?
>> I do not think that you would have done them if you know what they
>> were for.
> Why not?  If he hadn't run them, we would not know what kind of video
> the files were, nor even if they were fragments or self-contained.

We already knew from a previous email what type of files they were.

>> Why transcode? Do you realize what that will do to your videos?
> Do you, Dotan?  It sure doesn't seem that way.  avimerge does not cause
> any significant change in quality.

I do not know about 'significant' but if one could avoid reencoding
lossy formats, then it should be avoided.

>> Don't trust any command that you do not know what it will do! You can
>> easily do a lot of damage that way.
> Exactly how is file or find dangerous?

I was not referring specifically to file or find.

>> To "cat them together" use the "cat" command to merge the files:
>> $ cat file1.avi file2.avi > output.avi
>> "cat": the name of the command
>> "file1.avi file2.avi": the list of files to be combined
>> ">": output pipe
>> "output.avi": the name of the output file
> Again, this is flat-out wrong.

What is wrong here? If you can teach me, then teach me. I do not claim
to know all, in fact, I claim to know very little. Where did I err?

Dotan Cohen


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