12-10-2014
Hi RavinderSingh13,
basically, you are right. I tailored my command for the provided input though
By the way, (I know I falsely introduced it though) the first "2" in
%2.2f is superfluous padding, because due to .2 it will never take effect, so
%.2f should be used instead.
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base32(n) Base32 encoding base32(n)
__________________________________________________________________________________________________________________________________________________
NAME
base32 - base32 standard encoding
SYNOPSIS
package require Tcl 8.4
package require base32::core ?0.1?
package require base32 ?0.1?
::base32::encode string
::base32::decode estring
_________________________________________________________________
DESCRIPTION
This package provides commands for encoding and decoding of strings into and out of the standard base32 encoding as specified in RFC 3548.
API
::base32::encode string
This command encodes the given string in base32 and returns the encoded string as its result. The result may be padded with the
character = to signal a partial encoding at the end of the input string.
::base32::decode estring
This commands takes the estring and decodes it under the assumption that it is a valid base32 encoded string. The result of the
decoding is returned as the result of the command.
Note that while the encoder will generate only uppercase characters this decoder accepts input in lowercase as well.
The command will always throw an error whenever encountering conditions which signal some type of bogus input, namely if
[1] the input contains characters which are not valid output of a base32 encoder,
[2] the length of the input is not a multiple of eight,
[3] padding appears not at the end of input, but in the middle,
[4] the padding has not of length six, four, three, or one characters,
CODE MAP
The code map used to convert 5-bit sequences is shown below, with the numeric id of the bit sequences to the left and the character used to
encode it to the right. It should be noted that the characters "0" and "1" are not used by the encoding. This is done as these characters
can be easily confused with "O", "o" and "l" (L).
0 A 9 J 18 S 27 3
1 B 10 K 19 T 28 4
2 C 11 L 20 U 29 5
3 D 12 M 21 V 30 6
4 E 13 N 22 W 31 7
5 F 14 O 23 X
6 G 15 P 24 Y
7 H 16 Q 25 Z
8 I 17 R 26 2
BUGS, IDEAS, FEEDBACK
This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category base32
of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for
either package and/or documentation.
KEYWORDS
base32, rfc3548
COPYRIGHT
Copyright (c) Public domain
base32 0.1 base32(n)