fjfs is FUSE module that implements virtual joining of multiple files as one.
To compile the program run "make".
To use it:
1. Install the FUSE module
sudo modprobe fuse
2. Create the list of files to join
echo /etc/group >> filelist.txt
echo /etc/issue >> filelist.txt
echo /etc/passwd >> filelist.txt
3. Mount fjfs
./fjfs joined.txt filelist.txt
4. Check the result with
cat joined.txt
You will see the contents of all the files listed in filelist.txt
5. Unmount the fs
fusermount -u joined.txt && rm joined.txt