In Internet newsgroups large files often are split into smaller parts since messages can not be of more than a certain size to be able to post them in newsgroups.
For that reason you can find often binary files that are split in parts like filename.mp3.001, filename.mp3.002, filename.mp3.003 etcetera. It is possible to put these parts together using commands in the Terminal yet not everybody is handy with that.
That is why I decided to create a small utility with the OS X interface that makes it easy for people to split large files to be uploaded, or to put together split files downloaded from the Internet.
Of course, you can also use this program to split or recombine files that are too large e.g. to be put on one CD.
This program uses Unix commands to perform its job. That means that the "resource fork" of every file that you split or concat will be lost. For many file formats (.mpg, .mp3, .avi etc.) this is not a problem, but for certain formats the result will be a file that you cannot use anymore. In that case you are adviced to first place the file on a disk image (using Disk Copy, or Toast etc.) and then split the disk image file. If you then concat the split parts of the disk image, the resulting file will be an exact copy of the original file.
Just choose "Split" and the program will ask you to choose a file. The result (the splitted files) will be placed in the same folder as the original file by default. You can select another Output Folder by checking the CheckBox. If you want to use Drag and Drop and select another Output Folder, the best thing to do is first to open the program, then to select the CheckBox and then to drag and drop.
Please note that the file to be split MUST have a FILE EXTENSION (like .mp3 or .avi) otherwise the program will warn you and quit, in which case you must add a valid file extension to your file.
If there exist already files with that filename and an extension ".001" in the directory, then the program will ask you if you want to delete these older split files.
Just choose "Concat" and the program will ask you to choose a file. The result (the assembled and joined file) will be put in the same folder as the originating split parts by default. You can select another Output Folder by checking the CheckBox. If you want to use Drag and Drop and select another Output Folder, the best thing to do is first to open the program, then to select the CheckBox and then to drag and drop.
Please note that the files to be concat MUST have TWO FILE EXTENSIONS, one extension indicating the type of the file (like .mp3) and the other extension indicating the part number (like .001 or .0aa). E.g. filename.mp3.001
Note that it is not important which file you choose, e.g. number .004 or .005 or any file of the split files will do.
This program will skip PAR files (.PAR, .P01 etc.) and will not include them in the combined file
The most easy way to split or concat is just to drag and drop the file to the program icon (in the Dock, on the Desktop or in a folder).
Rules
The file that you drag and drop has:
There are several extra options available for sponsors of the program. E.g. by selecting the option "Create a Par- Archive" automatically Par-files will be generated of the resulting parts after a file has been split. Par2 is a new, improved version of the magic parity archive system for recovering files. It is much slower than the original Par-format but has several advantages. I refer to the many FAQ's on the Internet on the use of Par and Par2 archives. You can use the MacPAR DeLuxe program for recovering from Par2 files.
This program is donationware. I don't accept any liability for any damage that might have been caused to your software, files or hardware or other properties by using this program. If you don't agree to this: don't use this program.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Split&Concat, Par and Par2 are licensed under the terms of the GNU General Public License as published by the Free Software Foundation. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
For bug reports, comments or suggestions please contact me at loekjehe@xs4all.nl