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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) --base58 visually unambiguous base58 encoding --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 dis- able 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 Report bugs to: bug-coreutils@gnu.org GNU coreutils home page: <https://www.gnu.org/software/coreutils/> General help using GNU software: <https://www.gnu.org/gethelp/> Report any translation bugs to <https://translationproject.org/team/> COPYRIGHT Copyright (C) 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. SEE ALSO Full documentation <https://www.gnu.org/software/coreutils/basenc> or available locally via: info '(coreutils) basenc invocation' GNU coreutils 9.9 November 2025 BASENC(1)
NAME | SYNOPSIS | DESCRIPTION | ENCODING EXAMPLES | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO
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