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Full Discussion: Coverting multiple lines to a single line
Top Forums Shell Programming and Scripting Coverting multiple lines to a single line Post 302955661 by RudiC on Sunday 20th of September 2015 09:01:05 AM
Old 09-20-2015
Wasn't too clear in the spec. Try
Code:
awk -F, '
RES ~ "^" $1 FS {X=$1
                 sub (X FS, "")
                 RES=RES FS $0
                 next
                }
                {if (NR > 1) print RES
                 RES=$0
                }
END             {print RES}
' file
ABC,AD,AS,ER,YT,YU,ER,GT
BVT,SD,WER,YUI,GHY,TRE,G,DRT,FE,GHW
MN,FR,ER,YU,WS,FH,YU,IO,DER
ABC,SE

This User Gave Thanks to RudiC For This Post:
Bobby_2000
 

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LEARN ABOUT DEBIAN

zla_lin_berr

zla_lin_berr.f(3)						      LAPACK							 zla_lin_berr.f(3)

NAME

       zla_lin_berr.f -

SYNOPSIS

   Functions/Subroutines
       subroutine zla_lin_berr (N, NZ, NRHS, RES, AYB, BERR)
	   ZLA_LIN_BERR

Function/Subroutine Documentation
   subroutine zla_lin_berr (integerN, integerNZ, integerNRHS, complex*16, dimension( n, nrhs )RES, double precision, dimension( n, nrhs )AYB,
       double precision, dimension( nrhs )BERR)
       ZLA_LIN_BERR

       Purpose:

	       ZLA_LIN_BERR computes componentwise relative backward error from
	       the formula
		   max(i) ( abs(R(i)) / ( abs(op(A_s))*abs(Y) + abs(B_s) )(i) )
	       where abs(Z) is the componentwise absolute value of the matrix
	       or vector Z.

       Parameters:
	   N

		     N is INTEGER
		The number of linear equations, i.e., the order of the
		matrix A.  N >= 0.

	   NZ

		     NZ is INTEGER
		We add (NZ+1)*SLAMCH( 'Safe minimum' ) to R(i) in the numerator to
		guard against spuriously zero residuals. Default value is N.

	   NRHS

		     NRHS is INTEGER
		The number of right hand sides, i.e., the number of columns
		of the matrices AYB, RES, and BERR.  NRHS >= 0.

	   RES

		     RES is DOUBLE PRECISION array, dimension (N,NRHS)
		The residual matrix, i.e., the matrix R in the relative backward
		error formula above.

	   AYB

		     AYB is DOUBLE PRECISION array, dimension (N, NRHS)
		The denominator in the relative backward error formula above, i.e.,
		the matrix abs(op(A_s))*abs(Y) + abs(B_s). The matrices A, Y, and B
		are from iterative refinement (see zla_gerfsx_extended.f).

	   BERR

		     BERR is COMPLEX*16 array, dimension (NRHS)
		The componentwise relative backward error from the formula above.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   November 2011

       Definition at line 102 of file zla_lin_berr.f.

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

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