basez - base 16/32/64 encode/decode data to standard output
basez [
OPTION]... [
FILE]
hex [
OPTION]... [
FILE]
base16 [
OPTION]... [
FILE]
base32plain [
OPTION]... [
FILE]
base32hex [
OPTION]... [
FILE]
base64plain [
OPTION]... [
FILE]
base64url [
OPTION]... [
FILE]
base64mime [
OPTION]... [
FILE]
base64pem [
OPTION]... [
FILE]
BaseZ encodes/decodes base16, base32, base32hex, base64 or base64url data stream
per RFC 4648; MIME base64 Content-Transfer-Encoding per RFC 2045; or PEM
Printable Encoding per RFC 1421.
Base16 encoding produces a multiple of two-character blocks in hexadecimal
notation [0-9a-f]. It needs no padding and preserves the sort order of the
encoded data. Decoding is case insensitive.
Base32 encoded stream is a multiple of eight-character blocks consisting of
letters and numbers [A-Z2-7]. Numbers easily confused with some letters are
skipped intentionally to make this encoding suitable for storage on
--
or transport over
-- any medium or data transport mechanism, including
non-case-preserving barcodes or printed out strings that could be spelled out
and typed in by humans. If needed, the last encoded block is padded with equal
sign end padding. Appearance of the padding character [=] at the end of the
encoded steam can be avoided by encoding data of size divisible by 5. Base32
decoding is case insensitive.
Base32hex encoding works the same way as base32 but with an alternative
character-set [0-9a-v] to preserve the encoded data sort order. This encoding
should not be confused with base32.
Base64 encoded stream is a multiple of four-character blocks using uppercase
letters, lowercase letters, numbers, plus and slash [A-Za-z0-9+/]. It uses
equal sign [=] for end padding. Base64 decoding is case sensitive. It has an
option to convert local native text line breaks into canonical CRLF sequences
prior to encoding or to convert CRLF sequences into native text line breaks
after the decoding.
Base64url encoding is technically the same as base64 but instead of the plus and
slash signs [+/] it uses minus and underscore [-_]. Appearance of the padding
character [=] in the encoded stream can be avoided by encoding data of size
divisible by 3.
Base64mime and base64pem are the same encodes as base64 but with encoded stream
line length limit of 76 and 64 characters respectively. PEM decoding ignores
all white and non-printable characters; MIME decoding ignores all characters
outside of the encode character-set.
When no FILE is specified or when FILE is -, read standard input. When multiple
conflicting options appear, the last option wins.
-
-d, -D, --decode
- Decode. By default ignore the space and newline characters.
The --strict, --ignore-all-space, and
--ignore-garbage options provide alternative behaviors. Default
option for unhex command.
-
-r, --strict
- Do not ignore any characters outside of the encode
character-set on decoding.
-
-s, --ignore-all-space
- Ignore all white and non-printable ASCII characters on
decoding. Default for base64pem decoding.
-
-g, --ignore-garbage
- Ignore all characters outside of the encode character-set
on decoding. Default for base64mime decoding.
-
-x, --hex, --base16
- Base16 coding. Default for base16, hex and unhex
commands.
-
-j, --base32
- Base32 coding. Default for base32 and base32plain
commands.
-
-e --base32hex
- Base32hex coding. Default for base32hex command.
-
-c, --capitals, --upper-case
- Output upper case letters on encoding, if applicable.
-
-l, --lower-case
- Output lower case letters on encoding, if applicable.
-
-a, --base64
- Base64 coding. Default for basez, base64 and base64plain
commands.
-
-u, --base64url
- Base64url coding. Default for base64url command.
-
-p, --base64pem
- PEM printable coding. Default for base64pem command.
-
-m, --base64mime
- MIME base64 coding. Default for base64mime command.
-
-t, --text
- Convert native text line breaks into CRLF sequences prior
to encoding or convert CRLF sequences into native text line breaks after
decoding. This option applies to all variants of base64 codings.
-
-w N, -b N, --wrap=N,
--break= N
- Set encoded stream line length limit to N characters. The
default value is 76 for base64mime encode, 64 for base64pem encode,
infinity for all other encodes. To disable any appearance of EOL
characters in the encoded stream, set to 0.
-
-i FILEIN, --input=FILEIN
- Input file. Default is standard input. When FILEIN is -,
read stdin.
-
-o FILEOUT, --output=FILEOUT
- Output file. Default is standard output. When FILEOUT is -,
write to stdout.
-
-h, --help
- Display help.
- --version
- Display program version information.
Base16 decode a string:
- echo 4a6f650a | hex --decode
Inspect output of a command:
- echo Joe | hex --wrap 2
Base32 encode a string:
- printf "Hi People\n" | base32plain
MIME base64 encode a binary file to stdout per RFC 2045:
- base64mime FILE
MIME base64 encode a text file to stdout per RFC 2045:
- base64mime --text FILE
Base64 encode a file per RFC 4648
- base64plain FILE > base64.rfc4648.file
Written by Milan Kupcevic.
Report bugs to <
[email protected]> with a 'bug:' somewhere in the
subject line.
These commands are parts of the BaseZ software package.
- [BaseZ]
- <http://www.quarkline.net/basez>
Copyright © 2013, 2015, 2016 Milan Kupcevic. This program comes with
ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. This program is licensed under the terms of the GNU GPL
version 3 or any later version as published by the Free Software Foundation.
User documentation is alternatively licensed under the Creative Commons
Attribution-ShareAlike license version 3 or a later version as published by
the Creative Commons Corporation.
base64(1),
base32(1),
uuencode(1),
uudecode(1)