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Full Discussion: Sed to replace second number in a random string
Top Forums UNIX for Dummies Questions & Answers Sed to replace second number in a random string Post 302383145 by glev2005 on Monday 28th of December 2009 02:37:45 PM
Old 12-28-2009
Sed to replace second number in a random string
I need a sed line that will take STDM111 and change it to STDM161

the STDM will always be constant but the 3 numbers after will be random, I just need it to always replace the middle number with 6 regardless of what the numbers are.
 

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LEARN ABOUT DEBIAN

dlarnv

dlarnv.f(3)							      LAPACK							       dlarnv.f(3)

NAME

       dlarnv.f -

SYNOPSIS

   Functions/Subroutines
       subroutine dlarnv (IDIST, ISEED, N, X)
	   DLARNV

Function/Subroutine Documentation
   subroutine dlarnv (integerIDIST, integer, dimension( 4 )ISEED, integerN, double precision, dimension( * )X)
       DLARNV

       Purpose:

	    DLARNV returns a vector of n random real numbers from a uniform or
	    normal distribution.

       Parameters:
	   IDIST

		     IDIST is INTEGER
		     Specifies the distribution of the random numbers:
		     = 1:  uniform (0,1)
		     = 2:  uniform (-1,1)
		     = 3:  normal (0,1)

	   ISEED

		     ISEED is INTEGER array, dimension (4)
		     On entry, the seed of the random number generator; the array
		     elements must be between 0 and 4095, and ISEED(4) must be
		     odd.
		     On exit, the seed is updated.

	   N

		     N is INTEGER
		     The number of random numbers to be generated.

	   X

		     X is DOUBLE PRECISION array, dimension (N)
		     The generated random numbers.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   November 2011

       Further Details:

	     This routine calls the auxiliary routine DLARUV to generate random
	     real numbers from a uniform (0,1) distribution, in batches of up to
	     128 using vectorisable code. The Box-Muller method is used to
	     transform numbers from a uniform to a normal distribution.

       Definition at line 98 of file dlarnv.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

Version 3.4.1							  Sun May 26 2013						       dlarnv.f(3)
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