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Binary and hex in unix

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# 1  
Old 09-21-2004
Question Binary and hex in unix
not much familiar with binary and hex calculation in script programming....

explaination:

binary format control the parameter turned on or off in the program stored in hex mode, the question is:

how to change 39e to 19e using the binary calculation(although i don't know the command for binary calculation)

binary format:

11 1001 1110

hex format:

39e


just want to know any command in charge of this kind of calculation, thanks in advanced.
# 2  
Old 09-21-2004
ksh can handle hex arithmetic. Try:

Code:
typeset -i16 val
val=16#39e
((val = val & 16#1ff))
echo $val

Last edited by rbatte1; 09-05-2016 at 08:15 AM.. Reason: Added CODE tags
# 3  
Old 09-22-2004
Ksh is not my favourite shell, so can someone give some example by use sh or csh?

anyway,much appreciate about the tips.
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