Man page - basenc(1)
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| BASENC(1) | User Commands | BASENC(1) |
NAME
basenc - Encode/decode data and print to standard output
SYNOPSIS
basenc [OPTION]... [FILE]
DESCRIPTION
basenc encode or decode FILE, or standard input, to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
- --base64
- same as 'base64' program (RFC4648 section 4)
- --base64url
- file- and url-safe base64 (RFC4648 section 5)
- --base32
- same as 'base32' program (RFC4648 section 6)
- --base32hex
- extended hex alphabet base32 (RFC4648 section 7)
- --base16
- hex encoding (RFC4648 section 8)
- --base2msbf
- bit string with most significant bit (msb) first
- --base2lsbf
- bit string with least significant bit (lsb) first
- -d, --decode
- decode data
- -i, --ignore-garbage
- when decoding, ignore non-alphabet characters
- -w, --wrap=COLS
- wrap encoded lines after COLS character (default 76). Use 0 to disable line wrapping
- --z85
- ascii85-like encoding (ZeroMQ spec:32/Z85); when encoding, input length must be a multiple of 4; when decoding, input length must be a multiple of 5
- --help
- display this help and exit
- --version
- output version information and exit
When decoding, the input may contain newlines in addition to the bytes of the formal alphabet. Use --ignore-garbage to attempt to recover from any other non-alphabet bytes in the encoded stream.
ENCODING EXAMPLES
$ printf '\376\117\202' | basenc --base64 /k+C $ printf '\376\117\202' | basenc --base64url _k-C $ printf '\376\117\202' | basenc --base32 7ZHYE=== $ printf '\376\117\202' | basenc --base32hex VP7O4=== $ printf '\376\117\202' | basenc --base16 FE4F82 $ printf '\376\117\202' | basenc --base2lsbf 011111111111001001000001 $ printf '\376\117\202' | basenc --base2msbf 111111100100111110000010 $ printf '\376\117\202\000' | basenc --z85 @.FaC
AUTHOR
Written by Simon Josefsson and Assaf Gordon.
REPORTING BUGS
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
SEE ALSO
Full documentation
<https://www.gnu.org/software/coreutils/basenc>
or available locally via: info '(coreutils) basenc invocation'
Packaged by Debian (9.7-3)
Copyright © 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
| June 2025 | GNU coreutils 9.7 |