UUENCODE (1) | General commands | Unix Manual Pages

UUENCODE (1) | General commands | Unix Manual Pages | :man▋

The uuencode utility reads file (or by default the standard input) and writes an encoded version to the standard output, or output_file if one has been specified. The encoding uses only printing ASCII characters and includes the mode of the file and the operand name for use by uudecode.

The uudecode utility transforms uuencoded files (or by default, the standard input) into the original form. The resulting file is named either name or (depending on options passed to uudecode) output_file and will have the mode of the original file except that setuid and execute bits are not retained. The uudecode utility ignores any leading and trailing lines.

The following options are available for uuencode:

-m	Use the Base64 method of encoding, rather than the traditional uuencode algorithm.
-o output_file
	Output to output_file instead of standard output.

The following options are available for uudecode:

-c	Decode more than one uuencoded file from file if possible.
-i	Do not overwrite files.
-m	When used with the -r flag, decode Base64 input instead of traditional uuencode input. Without -r it has no effect.
-o output_file
	Output to output_file instead of any pathname contained in the input data.
-p	Decode file and write output to standard output.
-r	Decode raw (or broken) input, which is missing the initial and possibly the final framing lines. The input is assumed to be in the traditional uuencode encoding, but if the -m flag is used, or if the utility is invoked as b64decode, then the input is assumed to be in Base64 format.
-s	Do not strip output pathname to base filename. By default uudecode deletes any prefix ending with the last slash ’/’ for security reasons.

EXAMPLES

The following example packages up a source tree, compresses it, uuencodes it and mails it to a user on another system. When uudecode is run on the target system, the file ‘‘src_tree.tar.Z’’ will be created which may then be uncompressed and extracted into the original tree.

tar cf - src_tree | compress |
uuencode src_tree.tar.Z | mail sys1!sys2!user

The following example unpacks all uuencoded files from your mailbox into your current working directory.

uudecode -c < $MAIL

The following example extracts a compressed tar archive from your mailbox

uudecode -o /dev/stdout < $MAIL | zcat | tar xfv -

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Created by Blin Media, 2008-2013

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