12-19-2017
Not clear.
Do you have a string with above structure and want to produce a file from it, incrementing the value indicated line by line? Then, where to stop?
Or, do you have a file with above structured values in the lines, and want to just increment each line's value?
I guess, the value 0x7F needs special treatment, as the length has to be incremented, and the value will need four places, then?
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LEARN ABOUT DEBIAN
uniunmask
UNIUNMASK(1) General Commands Manual UNIUNMASK(1)
NAME
uniunmask - XOR bits or substitute glyphs in a GNU Unifont file.
SYNOPSIS
uniunmask [-iinput_file] [-ooutput_file]
DESCRIPTION
uniunmask reads a GNU Unifont .hex file. As it reads the font file, it scans for code points matching entries in the "masks.hex" and "sub-
stitutes.hex" files. "masks.hex" and "substitutes.hex" are also in GNU Unifont .hex format, ordered by Unicode code point (the hexadecimal
number to the left of the colon on each line).
If a code point is encountered from "substitutes.hex", the input code point in the original .hex file is ignored (as is any entry with the
same code point in "masks.hex") and the glyph from "substitutes.hex" is written to the output file.
Otherwise, if a code point is encountered from "masks.hex", the input glyph in the original .hex file is XORed with the bits in the
"masks.hex" entry. The result of this XOR operation is written to the output file.
OPTIONS
-i Specify the input file. The default is stdin.
-o Specify the output file. The default is stdout.
FILES
masks.hex, substitutes.hex, *.hex GNU Unifont font files
SEE ALSO
bdfimplode(1), hex2bdf(1), hex2bdf-split(1), hex2sfd(1), hexbraille(1), hexdraw(1), hexmerge(1), johab2ucs2(1), unibmp2hex(1), unicover-
age(1), unidup(1), unihex2bmp(1), unipagecount(1)
AUTHOR
uniunmask was written by Paul Hardy.
LICENSE
uniunmask is Copyright (C) 2007 Paul Hardy, and is released under version 2 of the GNU General Public License, or (at your option) a later
version.
BUGS
No known real bugs exist, except that this software does not perform extensive error checking on its input files. If they're not in the
format of the original GNU Unifont hex file, all bets are off.
2008 Jul 6 UNIUNMASK(1)