mpack/munpack version 1.5 for mac Mpack and munpack are utilities for encoding and decoding (respectively) binary files in MIME (Multipurpose Internet Mail Extensions) format mail messages. For compatibility with older forms of transferring binary files, the munpack program can also decode messages in split-uuencoded format. The Macintosh version can also decode messages in split-BinHex format. Versions are included for unix, pc, os2, mac, amiga and archimedes systems. The canonical FTP site for this software is ftp.andrew.cmu.edu:pub/mpack/ This MIME implementation is intended to be as simple and portable as possible. For a slightly more sophisticated MIME implementation, see the program MetaMail, available via anonymous FTP to thumper.bellcore.com, in directory pub/nsb Decoding MIME messages: To decode a MIME message, first save it to a text file. If possible, save it with all headers included. Mpack can decode some MIME files when the headers are missing or incomplete, other files it cannot decode without having the information in the headers. In general, messages which have a statement at the beginning that they are in MIME format can be decoded without the headers. Messages which have been split into multiple parts generally require all headers in order to be reassembled and decoded. Some LAN-based mail systems and some mail providers (including America Online, as of the writing of this document) place the mail headers at the bottom of the message, instead of at the top of the message. If you are having problems decoding a MIME message on such a system, you need to convert the mail back into the standard format by removing the system's nonstandard headers and moving the standard Internet headers to the top of the message (separated from the message body with a blank line). There must be exactly one message per file. Mpack cannot deal with multiple messages in a single file, to decode things correctly it must know when one message ends and the next one begins. The Macintosh version of mpack/munpack is a single standalone application. A text file may be decoded either by drag & drop, or by choosing the "Decode Files..." item from the application's File menu. Non-text files may be encoded either by drag & drop, or by choosing the "Encode Files..." item from the application's File menu. The Macintosh version of mpack/munpack supports the new MacMIME standard (RFC 1740). This allows cross-platform transport of Macintosh files to any MIME-capable machine, and also preserves Macintosh specific file attributes between two Macintoshes. Mpack will use MacMIME for any unrecognized Macintosh file, and regular MIME for standard MIME types. For more details and descriptions of the preferences, see the "Help Using Mpack..." menu item in mpack which can be found under the help menu in systems 7 and above, and under the apple menu in older systems. Reporting bugs: Bugs and comments should be reported to mpack-bugs@andrew.cmu.edu. When reporting bugs or other problems, please include the following information: * The version number of Mpack * The platform (Unix, PC, OS/2, Mac, Amiga, Archimedes) * The EXACT output of any unsuccessful attempts. * If having a problem decoding, the first couple of lines of the input file. Compilation: Mpack was compiled with THINK C 6.0 with the 4-byte int option turned on (and the ANSI-small library compiled with the 4-byte int option) and prototype enforcement turned off. Included with this distribution should be the files "macproj.hqx" which is a BinHex4 version of the THINK C 6.0 project file, and "macrsrc.hqx" which is a BinHex4 version of the resources file. Mpack checks for the existence of "Internet Config", and if it is available, mpack uses it to translate MIME types to and from Macintosh type/creator codes. Included is the file "macICglue.hqx" which is a BinHex4 version of Internet Config's MPW object file library. This needs to be linked with the application. Using mpack: See the "Help Using Mpack..." menu item in the application. Acknowledgements: Written by John G. Myers, jgm+@cmu.edu The mac version was written by Christopher J. Newman, chrisn+@cmu.edu The amiga port was done by Mike W. Meyer, mwm@contessa.phone.net and Peter Simons, simons@peti.GUN.de The os2 port was done by Jochen Friedrich, jochen@audio.pfalz.de The archimedes port was done by Olly Betts, olly@mantis.co.uk Send all bug reports to mpack-bugs@andrew.cmu.edu Thanks to Nathaniel Borenstein for testing early versions of mpack and for making many helpful suggestions. PGP signature: Starting with version 1.5, all official mpack distributions are PGP signed by "John Gardiner Myers ". The PGP signatures are detached from the distributions themselves, in files with the ".asc" filename extension. If the location where you obtained mpack does not include the PGP signature, or if the signature is not valid for the distribution, please complain to the maintainer of the relevant distribution site. A valid PGP signature indicates that the distribution is the one that I put together; it specifically does not indicate any warranty of any kind on the software. The Unix and DOS versions were done by myself, the DOS binaries were checked for viruses using an up-to-date virus checker. The Macintosh version was done by a colleague I have reason to trust. All other versions were done and compiled by people I have had no personal contact with. 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Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Carnegie Mellon University not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Carnegie Mellon University makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Portions of this software are derived from code written by Bell Communications Research, Inc. (Bellcore) and by RSA Data Security, Inc. and bear similar copyrights and disclaimers of warranty.