File Joiner for Mac

Hi! I was wondering if anyone could help me join files.. So far, I've tried Fast File Saw & Joiner.. But it doesn't really work.. The total video I wanna join is around 700mb but during the joining process, it has reached over 10GB before it even reached 10% progress.. Any idea how to deal with the problem? Or is there any other file joiner out there? Please help me out~ oh, the file is .avi

Thanks~

 

You can always open a Terminal and do it manually by typing:
cat file1 file2 file3 etc > joined_file

 

Ermm.. I'm sorry I couldn't get what you meant.. Open a Terminal from finder or from the software itself?

 

Terminal is under Applications then Utilties. It's the Unix command line interface for OS X.
Once you run it you will get a command prompt in your home directory.
Type ls to see the directory listing.
Depending on where you downloaded the files to, you would have to change to that directory. For example, if you downloaded them to your Desktop you would type
cd Desktop
Then you could use the command I typed in the previous message
cat file1 file2 file3 > file
The > redirects the output to a file
For example if you had movie.avi.001 movie.avi.002 etc you would type
cat movie.avi.001 movie.avi.002 etc > movie.avi