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Full Discussion: conversion
Top Forums UNIX for Advanced & Expert Users conversion Post 101910 by thestevew on Tuesday 14th of March 2006 06:56:25 AM
Old 03-14-2006
You don't say how you choose which parts of the binary data to convert, so I've put in some code to get start position and length (replace this with your real selection criteria) and pipe the result through bc (which handles preposterously long numbers) to do the actual conversion:
Code:
data="010101010101010101101010101010100001010101010101001"
while :
do
  read s?"Start bit (1..n): "
  read l?"Length          : "
  x=$(expr substr $data $s $l)
  r=$(print "ibase=2;obase=A; $x" | bc)
  print Result $r
  print "Press ^C to quit"
done

hope this helps

cheers
 

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SHCOMP(1)						       Korn shell utilities							 SHCOMP(1)

NAME
shcomp - compile a shell script SYNOPSIS
shcomp [ options ] [infile [outfile]] DESCRIPTION
Unless -D is specified, shcomp takes a shell script, infile, and creates a binary format file, outfile, that ksh can read and execute with the same effect as the original script. Since aliases are processed as the script is read, alias definitions whose value requires variable expansion will not work correctly. If -D is specified, all double quoted strings that are preceded by $ are output. These are the messages that need to be translated to locale specific versions for internationalization. If outfile is omitted, then the results will be written to standard output. If infile is also omitted, the shell script will be read from standard input. OPTIONS
[D dictionary] Generate a list of strings that need to be placed in a message catalog for internationalization. [n noexec] Displays warn- ing messages for obsolete or non-conforming constructs. [v verbose] Displays input from infile onto standard error as it reads it. EXIT STATUS
0 Successful completion. >0 An error occurred. SEE ALSO
ksh(1) IMPLEMENTATION
version shcomp (AT&T Research) 2003-03-02 author David Korn <dgk@research.att.com> copyright Copyright (c) 1982-2010 AT&T Intellectual Property license http://www.opensource.org/licenses/cpl1.0.txt 2003-03-02 SHCOMP(1)
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