Segmenting large video files

can anyone recommend a software to divide up large video files into 1GB chunks ready for upload to my iDisk storage. The files will be in MPEG2 format.

You can break up large files into smaller segments using the Terminal command "Split".
In the following example, we will break an (imaginary) movie, "MyFilm.mov" into 1000MB pieces.
Place the file to be split onto the desktop (this keeps it simple, otherwise you will have to "cd" to the directory where your movie resides)
Open Terminal and...
TYPE: *cd desktop* and press return.
TYPE: *split -b 1000m MyFilm.mov* and press return.
This will produce a number of files on your desktop named xaa, xab, xac and so on. There is a way to retain the original name or rename the file to something else but I don't have documentation on this at hand. You could move them to a suitably named folder.
The "1000m" part of the command is the size of the individual split files (in this case, the file will be broken into pieces of approx. 1000MB each
This may take some time to process, depending on the total size of the resulting files, how much RAM you have and the speed of your Mac.
At some point, your archived files will need to be re-assembled into a viewable movie. So....
Rejoin a set of split files:
Place all the files "xaa", "xab" etc, that are to be rejoined, onto the desktop
(keep it simple, remember...)
In Terminal;
TYPE: *cd desktop* and press return.
Type cat x* > MyFilm.mov and press return. Again, this may take some time, depending on the size of the resulting files.

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