Perl extension for hexdumping arbitrary data

Edit Package perl-Data-Hexify

This module exports one subroutine: 'Hexify'.

'Hexify' formats arbitrary (possible binary) data into a format suitable
for hex dumps in the style of 'xd' or 'hexl'.

The first, or only, argument to 'Hexify' contains the data, or a reference
to the data, to be hexified. Hexify will return a string that prints as
follows:

0000: 70 61 63 6b 61 67 65 20 44 61 74 61 3a 3a 48 65 package Data::He
0010: 78 69 66 79 3b 0a 0a 75 73 65 20 35 2e 30 30 36 xify;..use 5.006

and so on. At the left is the (hexadecimal) index of the data, then a
number of hex bytes, followed by the chunk of data with unprintables
replaced by periods.

The optional second argument to 'Hexify' must be a hash or a hash
reference, containing values for any of the following parameters:

* first

The first byte of the data to be processed. Default is to start from the
beginning of the data.

* length

The number of bytes to be processed. Default is to proceed all data.

* chunk

The number of bytes to be processed per line of output. Default is 16.

* group

The number of bytes to be grouped together. Default is 1 (no grouping).
If used, it must be a divisor of the chunk size.

* duplicates

When set, duplicate lines of output are suppressed and replaced by a
single line reading '**SAME**'.

Duplicate suppression is enabled by default.

* showdata

A reference to a subroutine that is used to produce a printable string
from a chunk of data. By default, a subroutine is used that replaces
unwanted bytes by periods.

The subroutine gets the chunk of data passed as argument, and should
return a printable string of at most 'chunksize' characters.

* align

Align the result to 'chunksize' bytes. This is relevant only when
processing data not from the beginning. For example, when 'first' is 10,
the result would become:

0000: ... 74 61 3a 3a 48 65 ta::He
0010: 78 69 66 79 3b ... 65 20 35 2e 30 30 36 xify;..use 5.006
... and so on ...

Alignment is on by default. Without alignment, the result would be:

000a: 74 61 3a 3a 48 ... 79 3b 0a 0a 75 73 65 ta::Hexify;..use
001a: 20 35 2e 30 30 ... 73 65 20 73 74 72 69 5.006;.use stri
... and so on ...

* start

Pretend that the data started at this byte (while in reality it starts at
byte 'first'). The above example, with 'start => 0', becomes:

0000: 74 61 3a 3a 48 ... 79 3b 0a 0a 75 73 65 ta::Hexify;..use
0010: 20 35 2e 30 30 ... 73 65 20 73 74 72 69 5.006;.use stri
... and so on ...

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Source Files
Filename Size Changed
Data-Hexify-1.00.tar.gz 0000005810 5.67 KB
perl-Data-Hexify.changes 0000000332 332 Bytes
perl-Data-Hexify.spec 0000004159 4.06 KB
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Adrian Schröter's avatar Adrian Schröter (adrianSuSE) committed (revision 1)
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