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Full Discussion: File Processing
Top Forums Shell Programming and Scripting File Processing Post 302520129 by expert on Thursday 5th of May 2011 11:45:32 PM
Old 05-06-2011
File Processing

i am having the input file as
below

123456789: xxxxx12xxxxxxxxxxxxxxxxxx a_cnt[1]
123456789: xxxxxxxxxxxxxxxxxxxxxxx a_cnt[2]
123456789: a_cnt[3] xxxxaq1wsxxxxxxxxxxxx12xxxxxxxxxx
123456789: xxxxxxxxxxxxasxxxx a_cnt[4]

i need the numbers in the backets of a_cnt[**]

O/p required as below
1
2
3
4


thanks in advance..
 

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CheckDigits::M07_001(3pm)				User Contributed Perl Documentation				 CheckDigits::M07_001(3pm)

NAME
CheckDigits::M07_001 - compute check digits modulo 7 method 1 SYNOPSIS
use Algorithm::CheckDigits; $m001 = CheckDigits('m001'); if ($m001->is_valid('1234567892')) { # do something } $cn = $m001->complete('123456789'); # $cn = '1234567892' $cd = $m001->checkdigit('1234567892'); # $cd = '2' $bn = $m001->basenumber('1234567892'); # $bn = '123456789' DESCRIPTION
ALGORITHM 1. All digits are added. 2. All digits at even positions are added. 3. The sum of step 1 and 2 is taken modulo 7. 4. This is the check digit. METHODS is_valid($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 undef if $number does not consist solely of digits. basenumber($number) Returns the basenumber of $number if $number has a valid check digit. Return undef otherwise. checkdigit($number) Returns the check digit belonging to $number or undef if $number does not consist solely of digits. EXPORT None by default. AUTHOR
Mathias Weidner, <mathias@weidner.in-bad-schmiedeberg.de> SEE ALSO
perl, www.pruefziffernberechnung.de. perl v5.10.0 2008-05-17 CheckDigits::M07_001(3pm)
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