NAME

base91, b91enc, b91dec - basE91 encode/decode data

SYNOPSIS

base91 [OPTION]... [FILE]

DESCRIPTION

Convert binary data in FILE to plain ASCII text (or vice versa), writing to standard output. With no FILE, or when FILE is -, read standard input.

-d, --decode

decode data (default for b91dec); all non-alphabet characters (such as newlines) are ignored

-m SIZE

use maximum SIZE bytes of main memory for buffers (default 64K); SIZE may be followed by a multiplicative suffix: K 1024, M 1024*1024

-o, --output=FILE

write result to FILE instead of standard output

-v, --verbose

run in verbose mode and write some statistics to standard error; use it twice to increase verbosity

-w, --wrap=COLS

wrap encoded lines after COLS characters (default 76); use 0 to disable line wrapping (default for b91enc)

--help

prints out the available program options

--version

output version information and exit

basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% (versus 33% for base64) and can range down to 14%, which typically occurs on 0-byte blocks. This makes basE91 very useful for transferring larger files over binary insecure connections like e-mail or terminal lines.

AUTHOR

Written by Joachim Henke.

REPORTING BUGS

Report bugs to <j-o@users.sourceforge.net>.

COPYRIGHT

Copyright (c) 2000-2006 Joachim Henke

SEE ALSO

base64(1), uuencode(1)

http://base91.sourceforge.net/