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Full Discussion: Replace string with modifying original file
Top Forums UNIX for Dummies Questions & Answers Replace string with modifying original file Post 302672383 by Irishboy24 on Monday 16th of July 2012 09:55:34 AM
Old 07-16-2012
using sed:

Code:
$ cat testfil
121941602P911000497^123.001^^^^^^^^^0^10^OTHER
121941602P911000497^123.002^^^^^^^^^1^10^OTHER
121941602P911000497^123.003^^^^^^^^^2^10^OTHER
121941602P911000497^123.004^^^^^^^^^3^10^OTHER
121941602P911000497^123.005^^^^^^^^^4^10^OTHER

Code:
sed -e 's/[0-9]\{1,3\}\./555./g' testfil >> testfil2

you can also use the -i option to change the original file instead of redirect as well. make sure to take back up before you try it out.

Code:
cat testfil2
121941602P911000497^555.001^^^^^^^^^0^10^OTHER
121941602P911000497^555.002^^^^^^^^^1^10^OTHER
121941602P911000497^555.003^^^^^^^^^2^10^OTHER
121941602P911000497^555.004^^^^^^^^^3^10^OTHER
121941602P911000497^555.005^^^^^^^^^4^10^OTHER

 

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LEARN ABOUT DEBIAN

algorithm::checkdigits

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

NAME

       Algorithm::CheckDigits - Perl extension to generate and test check digits

SYNOPSIS

	 perl -MAlgorithm::CheckDigits -e Algorithm::CheckDigits::print_methods

       or

	 use Algorithm::CheckDigits;

	 @ml = Algorithm::CheckDigits->method_list();

	 $isbn = CheckDigits('ISBN');

	 if ($isbn->is_valid('3-930673-48-7')) {
	       # do something
	 }

	 $cn = $isbn->complete('3-930673-48');	   # $cn = '3-930673-48-7'

	 $cd = $isbn->checkdigit('3-930673-48-7'); # $cd = '7'

	 $bn = $isbn->basenumber('3-930673-48-7'); # $bn = '3-930673-48'

ABSTRACT

       This module provides a number of methods to test and generate check digits. For more information have a look at the web site
       www.pruefziffernberechnung.de (german).

SUBROUTINES
/METHODS
   CheckDigits($method)
       Returns an object of an appropriate Algorithm::CheckDigits class for the given algorithm.

       Dies with an error message if called with an unknown algorithm.

       See below for the available algorithms. Every object understands the following methods:

       is_valid($number)
	   Returns true or false if $number contains/contains no valid check digit.

       complete($number)
	   Returns a string representation of $number completed with the appropriate check digit.

       checkdigit($number)
	   Extracts the check digit from $number if $number contains a valid check digit.

       basenumber($number)
	   Extracts the basenumber from $number if $number contains a valid check digit.

   Algorithm::CheckDigits::method_list()
       Returns a list of known methods for check digit computation.

   Algorithm::CheckDigits::print_methods()
       Returns a list of known methods for check digit computation.

       You may use the following to find out which methods your version of Algorithm::CheckDigits provides and where to look for further
       information.

	perl -MAlgorithm::CheckDigits -e Algorithm::CheckDigits::print_methods

   CHECK SUM METHODS
       At the moment these methods to compute check digits are provided: (vatrn - VAT Return Number, in german ustid UmsatzSTeuer-ID)

       m07-001
	   See Algorithm::CheckDigits::M07_001.

       euronote, m09-001
	   European bank notes, see Algorithm::CheckDigits::M09_001.

       amex, bahncard, diners, discover, enroute, eurocard, happydigits, isin, jcb, klubkarstadt, mastercard, miles&more, visa, m09-001, imei,
       imeisv
	   See Algorithm::CheckDigits::M10_001.

       siren, siret, m10-002
	   See Algorithm::CheckDigits::M10_002.

       ismn, m10-003
	   See Algorithm::CheckDigits::M10_003.

       ean, iln, isbn13, nve, 2aus5, m10-004
	   See Algorithm::CheckDigits::M10_004.

       identcode_dp, leitcode_dp, m10-005
	   See Algorithm::CheckDigits::M10_005.

       rentenversicherung, m10-006
	   See Algorithm::CheckDigits::M10_006.

       sedol, m10-008
	   See Algorithm::CheckDigits::M10_008.

       betriebsnummer, m10-009
	   See Algorithm::CheckDigits::M10_009.

       postscheckkonti, m10-010
	   See Algorithm::CheckDigits::M10_010.

       ups, m10-011
	   See Algorithm::CheckDigits::M10_011.

       hkid, isbn, issn, nhs_gb, ustid_pt, vat_sl, wagonnr_br, m11-001
	   See Algorithm::CheckDigits::M11_001.

       pzn, m11-002
	   See Algorithm::CheckDigits::M11_002.

       pkz, m11-003
	   See Algorithm::CheckDigits::M11_003.

       cpf, titulo_eleitor, m11-004
	   See Algorithm::CheckDigits::M11_004.

       ccc_es, m11-006
	   See Algorithm::CheckDigits::M11_006.

       ustid_fi, vatrn_fi, m11-007
	   See Algorithm::CheckDigits::M11_007.

       ustid_dk, vatrn_dk, m11-008
	   See Algorithm::CheckDigits::M11_008.

       nric_sg, m11-009
	   See Algorithm::CheckDigits::M11_009.

       ahv_ch, m11-010
	   See Algorithm::CheckDigits::M11_010.

       ustid_nl, vatrn_nl, m11-011
	   See Algorithm::CheckDigits::M11_011.

       bwpk_de, m11-012
	   See Algorithm::CheckDigits::M11_012.

       ustid_gr, vatrn_gr, m11-013
	   See Algorithm::CheckDigits::M11_013.

       esr5_ch, m11-015
	   See Algorithm::CheckDigits::M11_015.

       ustid_pl, vatrn_pl, m11-016
	   See Algorithm::CheckDigits::M11_016.

       ecno, ec-no, einecs, elincs, m11-017
	   See Algorithm::CheckDigits::M11_017.

       isan, m16-001
	   See Algorithm::CheckDigits::M16_001.

       dni_es, m23-001
	   See Algorithm::CheckDigits::M23_001.

       ustid_ie, vatrn_ie, m23-002
	   See Algorithm::CheckDigits::M23_002.

       code_39, m43-001
	   See Algorithm::CheckDigits::M43_001.

       ustid_lu, vatrn_lu, m89-001
	   See Algorithm::CheckDigits::M89_001.

       ustid_be, vatrn_be, m97-001
	   See Algorithm::CheckDigits::M97_001.

       iban, m97-002
	   See Algorithm::CheckDigits::M97_002.

       upc, mbase-001
	   See Algorithm::CheckDigits::MBase_001.

       blutbeutel, bzue_de, ustid_de, vatrn_de, mbase-002
	   See Algorithm::CheckDigits::MBase_002.

       sici, mbase-003
	   See Algorithm::CheckDigits::MBase_003.

       pa_de, mxx-001
	   See Algorithm::CheckDigits::MXX_001.

       cas, mxx-002
	   See Algorithm::CheckDigits::MXX_002.

       dem, mxx-003
	   Old german bank notes (DEM), see Algorithm::CheckDigits::MXX_003.

       ustid_at, vatrn_at, mxx-004
	   See Algorithm::CheckDigits::MXX_004.

       esr9_ch, mxx-005
	   See Algorithm::CheckDigits::MXX_005.

       verhoeff, mxx-006
	   Verhoeff scheme, see Algorithm::CheckDigits::MXX_006 or Algorithm::Verhoeff

   EXPORT
       None by default.

SEE ALSO

       perl, www.pruefziffernberechnung.de.

AUTHOR

       Mathias Weidner, <mathias@weidner.in-bad-schmiedeberg.de>

THANKS

       Petri Oksanen made me aware that CheckDigits('IMEI') would invoke no test at all since there was no entry for this in the methods hash.

COPYRIGHT AND LICENSE

       Copyright 2004-2006 by Mathias Weidner

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.10.0							    2008-06-06							  CheckDigits(3pm)
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