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Full Discussion: converting the data type in unix shell script
Top Forums Shell Programming and Scripting converting the data type in unix shell script Post 302248468 by cfajohnson on Friday 17th of October 2008 06:35:18 PM
Old 10-17-2008
Quote:
Originally Posted by kmanivan82
I am trying to write a shell script to convet into packed decimal (comp -3) format.

I don't know how fractions are handled, but I think this will convert integers:

Code:
case $n in
  -*) sign=D ;;
  *) sign=C ;;
esac
while [ -n "$n" ]
do
  printf "%x" "'$n"
  n=${n#?}
done
echo "$sign"

If you know the formula, please post it, and I'll write a script to do the conversion.
 

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LEARN ABOUT HPUX

atoi

strtol(3C)																strtol(3C)

NAME

       strtol(), atol(), atoll(), atoi(), strtoul(), strtoll(), strtoull() - convert string to integer

SYNOPSIS

DESCRIPTION

       or  converts the character string pointed to by str to or representation, respectively.	or converts the character string pointed to by str
       to or representation, respectively.  The string is scanned up to the first character inconsistent with  the  base.   Leading  "white-space"
       characters (as defined by in ctype(3C)) are ignored.  If no conversion can take place, zero is returned.

       If base is greater than or equal to 2 and less than or equal to 36, it is used as the base for conversion.  After an optional leading sign,
       leading zeros are ignored, and or is ignored if base is 16.

       If base is zero, the string itself determines the base as follows: after an optional leading sign, a leading zero indicates  octal  conver-
       sion; a leading or indicates hexadecimal conversion.  Otherwise, decimal conversion is used.

       If  the	value  of ptr is not a pointer to the character terminating the scan is returned in the location pointed to by ptr.  If no integer
       can be formed, the location pointed to by ptr is set to str, and zero is returned.

       is equivalent to

       is equivalent to

       is equivalent to

RETURN VALUE

       Upon successful completion, all functions return the converted value, if any.

       If the correct value would cause overflow:

       returns	      or (according to the sign of the value), and sets to

       returns	      and sets to

       returns	      or (according to the sign of the value), and sets to

       returns	      and sets to

       returns	      or (according to the sign of the value), and sets to

       For all other errors, zero is returned and is set to indicate the error.

ERRORS

       and fail and is set, if any of the following conditions are encountered:

	      The value of   base is not supported.

	      The value to be returned would have caused overflow.

AUTHOR

       These interfaces were developed by OSF and HP.

SEE ALSO

       ctype(3C), strtod(3C), strtoimax(3C), scanf(3S), thread_safety(5), glossary(9).

STANDARDS CONFORMANCE

																	strtol(3C)
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