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MUNPACK !!!MUNPACK NAME SYNOPSIS DESCRIPTION OPTIONS DECODING MIME ENVIRONMENT FILES ---- !!NAME munpack - unpack messages in MIME or split-uuencode format !!SYNOPSIS __munpack__ [[ __-f__ ] [[ __-q__ ] [[ __-t__ ] [[ __-C__ ''directory'' ] [[ ''filename ...'' ] !!DESCRIPTION The ''munpack'' program reads each RFC-822 message ''filename'' and writes all non-text MIME parts or split-uuencoded files as files. If no filename argument is given, __munpack__ reads from standard input. If the message suggests a file name to use for the imbedded part, that name is cleaned of potential problem characters and used for the output file. If the suggested filename includes subdirectories, they will be created as necessary. If the message does not suggest a file name, the names If the imbedded part was preceded with textual information, that information is also written to a file. The file is named the same as the imbedded part, with any filename extension replaced with !!OPTIONS __-f__ Force overwriting of existing files. If a message suggests a file name of an existing file, the file will be overwritten. Without this flag, __munpack__ appends __ __-q__ Be quiet. Supresses messages about saving partial messages and about messages with no interesting information. __-t__ Also write the text MIME parts of multipart messages as files. By default, text parts that do not have a filename parameter do not get unpacked. This option effectively disables the __-C__ ''directory'' Change the current directory to ''directory'' before reading any files. This is useful when invoking __munpack__ from a mail or news reader. !!DECODING MIME To decode a MIME message, first save it to a text file. If possible, save it with all headers included. ''Munpack'' 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 at the top of the message (separated from the message body with a blank line). There must be exactly one message per file. ''Munpack'' 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. To decode a message, run the command: ''munpack'' __file__ where munpack'' will try to decode the message in each file. For more information on ways to run ''munpack'', see the section '' !!ENVIRONMENT __TMPDIR__ Directory to store temporary files. Default is /var/tmp. !!FILES __$TMPDIR/m-prts-$USER/__ Directory used to store partial messages awaiting reassembly. ----
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