Shell Programming and Scripting

**wrong solution changed it in post #10---

Assuming the value is in $1

Code:

typeset -i2 b=0x$1
printf "%032d\n" ${b#2#} | sed 's/..../& /g'

to get it into variables

Code:

printf "%032d" ${b#2#} | sed 's/..../& /g' | read v1 v2 v3 v4 v5 v6 v7 v8

Or use an array in ksh93:

Code:

printf "%032d ${b#2#} | sed 's/..../& /g' | read -A V

**wrong solution changed it in post #10---

Scrutinizer, what version of the Korn shell are you using? This overflows for me on both 32-bit and 64-bit platforms with latest ksh93 i.e.

Code:

 ./t abcdbcd
/t[5]: printf: warning: 1010101111001101101111001101: overflow exception
0000000000009223372036854775808

Hi fp, I am using version sh (AT&T Research) 93t+ 2009-05-01. I am getting it too now. Will look into it...

---------- Post updated at 15:50 ---------- Previous update was at 15:34 ----------

Changed it to string padding:
Assuming the value is in $1

Code:

typeset -i2 b=0x$1

Code:

printf "%32s\n" ${b#2#} | sed 's/ /0/g;s/..../& /g'

to get it into variables

Code:

printf "%32s" ${b#2#} | sed 's/ /0/g;s/..../& /g' | read v1 v2 v3 v4 v5 v6 v7 v8

Or use an array in ksh93:

Code:

printf "%32s" ${b#2#} | sed 's/ /0/g;s/..../& /g' | read -A V

--
In ksh93 one can do this :

Code:

typeset -ui2 b=0x$1

if it is an unsigned number

Allmight Forum ,
here are my results , i have taken the excerpts given by scrutinizer,fpmurphy and other analysts ...
this code works but gets result in this way

2#1000000000000100000000001000001

on execution

and so i trimmed it to extract just binary and then the flags

integer -i2 mask=16#F0000000

integer -i2 in=16#$HEX ..variable where i am getting my hexadecimal into

the $in result is 2#1000000000000100000000001000001

var4=${in#*#}.... trimmed it to get 1000000000000100000000001000001


i need your help in interpreting this above binary to get just the 1 's and their places ...

for example there is a 1 in the 1 st place so b1= 1 ... and since there is 1 in 14th place so b14 = 1 and 25th place so b25 =1 and so on and so forth.....

can we put this in a loop and spit the results in to variables from b1 to b32 ...or b0 to b31....

Thanks One and All

Code:

$ echo "1000000000000100000000001000001" | sed 's/ */ /g;s/^ //;s/ $//' | tr ' ' '\n' | cat -n |sed '/0$/d;/1$/s/^[[:blank:]]*/b/;s/[[:blank:]]1/=1/'
b1=1
b14=1
b25=1
b31=1
$

Why not put the bits in an array? (you will probably find them easier to work with in your script later):

Code:

$ eval B="( $(echo 1000000000000100000000001000001 | sed 's/./& /g') )"
 
$ for ((i=0; i<31; i++))
do
    [ ${B[$i]} -eq 1 ] && echo $i
done
0
13
24
30

can we assign these values into variables........such as $b1, $b14,$b25,$b31, for use in the rest of the script.....

Thanks
Venu