02-28-2012
Adding Zeros to make it 8 digit
Dear Buddies,
My query may be pretty simple but I am stuck because of it. Please give me a solution.
Query is I have a variable (say $A) which can have any number starting from 1 digit to 8 digit i.e. any number from 1 to 99999999.
Now, I want output as 8 digit even if variable has only 1 digit. IT can be accomplished by addting Zeros (0) before the value of $A.
E.g 1)
$A=1
then output should be printed as 00000001
E.g 2)
$A=1234
then output should be printed as 00001234
E.g. 3)
$A=1234567
then output should be printed as 01234567
E.g 4)
$A=12345678
then output should be printed as 12345678 (As it is because it is already 8 digit number)
Last edited by fpmurphy; 02-28-2012 at 10:17 PM..
Reason: remove colors and fonts
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LEARN ABOUT DEBIAN
algorithm::checkdigits::m16_001
CheckDigits::M16_001(3pm) User Contributed Perl Documentation CheckDigits::M16_001(3pm)
NAME
CheckDigits::M16_001 - compute check digits for ISAN
SYNOPSIS
use Algorithm::CheckDigits;
$isan = CheckDigits('isan');
if ($isan->is_valid('123A567B8912E01A')) {
# do something
}
$cn = $isan->complete('123A567B8912E01');
# $cn = '123A567B8912E01A'
$cd = $isan->checkdigit('123A567B8912E01A');
# $cd = '4'
$bn = $isan->basenumber('123A567B8912E01A');
# $bn = '123A567B8912E01'
DESCRIPTION
ALGORITHM
1. "a(1) = 16"
"b(i) = a(i) % 17 +d(i)", where d(i) is the decimal value of the hexdigit at position i.
"c(i) = b(i) % 16"
"a(i) = c(i-1) * 2", for i greater than 1
2. Beginning left for each i = 1..16, "a", "b", "c" are computed.
3. The check digit is the value for "d(16)" where "c(16)" equals 1.
4. The check digit is appended as hexadecimal value to the number.
METHODS
is_valid($number)
Returns true only if $number consists solely of numbers and the last digit is a valid check digit according to the algorithm given
above.
Returns false otherwise,
complete($number)
The check digit for $number is computed and concatenated to the end of $number.
Returns the complete number with check digit or '' if $number does not consist solely of digits and spaces.
basenumber($number)
Returns the basenumber of $number if $number has a valid check digit.
Return '' otherwise.
checkdigit($number)
Returns the checkdigit of $number if $number has a valid check digit.
Return '' otherwise.
EXPORT
None by default.
AUTHOR
Mathias Weidner, <mathias@weidner.in-bad-schmiedeberg.de>
SEE ALSO
perl, CheckDigits, www.pruefziffernberechnung.de.
perl v5.10.0 2008-05-17 CheckDigits::M16_001(3pm)