Man page - bytes-circle(1)

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Manual

BYTES-CIRCLE

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AUTHOR

NAME

bytes-circle - Show byte statistics as an ASCII circle graph

SYNOPSIS

bytes-circle [-o {0|1|2|3}] [-bBglLZnruvh] [-[fsStT] #] [-z {0-255}] files ...

DESCRIPTION

bytes-circle is a program that shows statistics about bytes contained in a file, as an ASCII circle graph of deviations from mean in standard deviation (sigma) fraction increments.

By default, byte 0 is at the center of the circle and next bytes until 256 are situated counterclockwise around the center.

bytes-circle expects a colour terminal, though other options are available.

The ASCII art produced uses this char array to represent increment values of 1/4*sigma from the statistic’s mean:
. , - ˜ + * o O # @

This ranges from zero ( . ) on the left, to 9/4*sigma ( @ ) on the right. If value is zero or over the mean the char is printed green. If it is below the mean, it’s printed red. A (blue) ’ = ’ char represents a byte value that doesn’t appear in the file.

OPTIONS

files

One or more files. If no file is indicated, standard input is used.

-o {0 | 1 | 2 | 3}

0=default | 1=no color | 2=numbers | 3=uncoloured numbers

	-b		No color (Black & white). In this case, ASCII art is adjusted so the zero sigma is at the middle of the chars array (char ’ * ’). Increments are 1/2*sigma.
	-B		(’Break’) stop processing files on first error encountered.
	-g		(’Global’) show summary values for file, when using ‘-[sS]‘.
	-l		List number of bytes counted, from 0 to 255.
	-L		List number of bytes counted, excluding zero valued.
	-Z		List number of bytes counted, but only zero valued.
	-n		Use Numbers. In this case, coloured numbers are used to represent values from 0 to 9 /4*sigma.
	-r		Restrict statistics to the byte values that appear in the file, not to the 256 default. This only makes a difference if there are byte values that do not appear in the file.
	-u		Use Uncoloured numbers (equivalent to ‘-b -n‘). In this case, numbers are used to represent positive deviations from 0 to 9 /4sigma, and letters are used to represent negative deviations from ’ a ’ (-0) to ’ i ’ (-9/4)sigma.
	-v		Show program version and list chars used in coloured circle.
	-h		Show summary of options.
	-f #		(’From’) analyze file from # byte on (1 implicit). SI suffixes supported.
	-s #		Slice file in slices of size # bytes. SI suffixes supported.
	-S #		Slice file in # slices. SI suffixes supported.
	-t #		(’To’) analyze file until # byte. SI suffixes supported.
	-T #		(’To’) analyze this # bytes from ‘-f‘. SI suffixes supported.

-z {0-255}

Show a second circle centered on indicated byte bucket. A zero value is equivalent to 127 for ease of use. This way a second view of the statistics is available for data disaggregation.

Note about SI suffixes : use one of kmgtpe (powers of 10), KMGTPE
(powers of 2), and prefixes ’ 0x ’ (hexadecimal number) and ’ 0 ’ (octal
number).

AUTHOR

This program was written by Roberto S. Galende <roberto.s.galende@gmail.com> and is copyrighted under the GPL, version 3 or later.