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Split and join files in Ubuntu with lxsplit

Below I describe how to split a larger file into several small files. This is useful when the file you want to copy on a stick is bigger than the stick’s capacity.

The file used is this example is a 75 MB .mkv.

I will use lxsplit for splitting and joining the .mkv file. So, I need to install lxsplit:

wget http://sourceforge.net/projects/lxsplit/files/lxsplit/lxsplit-0.2.4.tar.gz/download

Decompression:

ducu@mylaptop:~/temp$ tar -xvvzf lxsplit-0.2.4.tar.gz

drwxrwxr-x ozzie/ozzie 0 2008-10-03 15:28 lxsplit-0.2.4/

-rw-rw-r– ozzie/ozzie 3200 2008-02-02 10:03 lxsplit-0.2.4/mkuoff_t.c

-rw-rw-r– ozzie/ozzie 1618 2008-05-31 11:03 lxsplit-0.2.4/Makefile

-rw-rw-r– ozzie/ozzie 2520 2008-07-02 20:15 lxsplit-0.2.4/func.c

-rw-rw-r– ozzie/ozzie 2440 2008-10-03 15:05 lxsplit-0.2.4/config.h

-rw-rw-r– ozzie/ozzie 4749 2008-02-02 10:03 lxsplit-0.2.4/merge.c

-rw-rw-r– ozzie/ozzie 1070 2008-02-02 09:45 lxsplit-0.2.4/merge.h

-rw-rw-r– ozzie/ozzie 2345 2008-10-03 15:09 lxsplit-0.2.4/README

-rw-rw-r– ozzie/ozzie 1715 2008-10-03 15:09 lxsplit-0.2.4/ChangeLog

-rw-rw-r– ozzie/ozzie 1174 2008-07-02 20:15 lxsplit-0.2.4/func.h

-rw-rw-r– ozzie/ozzie 1320 2008-10-03 15:25 lxsplit-0.2.4/lxsplit.spec

-rw-rw-r– ozzie/ozzie 1080 2008-02-02 10:03 lxsplit-0.2.4/split.h

-rw-rw-r– ozzie/ozzie 4375 2008-10-03 15:04 lxsplit-0.2.4/split.c

-rw-rw-r– ozzie/ozzie 3670 2008-10-03 15:03 lxsplit-0.2.4/main.c

-rw-rw-r– ozzie/ozzie 17990 2008-02-02 09:45 lxsplit-0.2.4/COPYING

Access the new folder and give the make command:

cd lxsplit-0.2.4/

make

Next, make install command. This is the result:

ducu@mylaptop:~/temp/lxsplit-0.2.4$ sudo make install

cp lxsplit /usr/local/bin

This is my 75MB .mkv file:

ducu@mylaptop:~/movies/Inside.Man.2006.1080p.HDDVD.x264-SZ/Sample$ ls -alh

total 75M

drwxr-xr-x 2 ducu ducu 4.0K 2009-07-21 21:28 .

drwxr-xr-x 3 ducu ducu 4.0K 2009-06-13 02:15 ..

-rw-r–r– 1 ducu ducu 75M 2009-06-13 02:47 Inside.Man.2006.1080p.HDDVD.x264-SZ-SAMPLE.mkv

I will split the 75 MB file in chunks of 20 MB.

ducu@mylaptop:~/movies/Inside.Man.2006.1080p.HDDVD.x264-SZ/Sample$ lxsplit -s Inside.Man.2006.1080p.HDDVD.x264-SZ-SAMPLE.mkv 20M

Splitting Inside.Man.2006.1080p.HDDVD.x264-SZ-SAMPLE.mkv into 4 pieces.

Inside.Man…SZ-SAMPLE.mkv.001 20971520 bytes

Inside.Man…SZ-SAMPLE.mkv.002 20971520 bytes

Inside.Man…SZ-SAMPLE.mkv.003 20971520 bytes

Inside.Man…SZ-SAMPLE.mkv.004 14767172 bytes

Done!

Now I will join the 4 resulted files:

ducu@mylaptop:~/movies/Inside.Man.2006.1080p.HDDVD.x264-SZ/Sample$ lxsplit -j Inside.Man.2006.1080p.HDDVD.x264-SZ-SAMPLE.mkv.001

Creating merged file `Inside.Man.2006.1080p.HDDVD.x264-SZ-SAMPLE.mkv’.

Complete size: 77681732 in 4 files.

Processing file `Inside.Man…SZ-SAMPLE.mkv.001′ …

Processing file `Inside.Man…SZ-SAMPLE.mkv.002′ …

Processing file `Inside.Man…SZ-SAMPLE.mkv.003′ …

Processing file `Inside.Man…SZ-SAMPLE.mkv.004′ …

Done!

If you used this tutorial or have any questions, feel free to leave a comment below. You can also rate this tutorial to let me know how I’m doing. Thanks!

(14 votes, average: 5.00 out of 5)

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