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Full Discussion: Help with cut or awk command
Top Forums Shell Programming and Scripting Help with cut or awk command Post 302908685 by ATWC on Wednesday 9th of July 2014 02:16:20 PM
Old 07-09-2014
need to replace comma only inside the " "(double qoutes)
sample file.
Code:
a1,a2,"a,3,12",a4,a5,a6,a7,"a,8","","",a9,a10,a11,"","",a12
b1,"b,2",b3,b4,b5,b6,"b,7",b8,"","",b9,"",b11,"","",b11
c1,"c,2","c,3",c4,c5,c6,c7,c8,"","","c,9",c10,c11,"","",c12

needed output
Code:
a1,a2,"a312",a4,a5,a6,a7,"a8","","",a9,a10,a11,"","",a12
b1,"b2",b3,b4,b5,b6,"b7",b8,"","",b9,"",b11,"","",b11
c1,"c2","c3",c4,c5,c6,c7,c8,"","","c9",c10,c11,"","",c12

i am using the command sed 's/"\([^,]*\),\([^,]*\)"/"\1\x1C\2"/g'
getting the output as
Code:
a1,a2,"a312",a4,a5,a6,a7,"a8","""",a9,a10,a11,"""",a12
b1,"b2",b3,b4,b5,b6,"b7",b8,"""",b9,"",b11,"""",b11
c1,"c2","c3",c4,c5,c6,c7,c8,"""","c9",c10,c11,"""",c12

Last edited by ATWC; 07-09-2014 at 03:32 PM..
 

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LEARN ABOUT CENTOS

slagv2.f

slagv2.f(3)							      LAPACK							       slagv2.f(3)

NAME

       slagv2.f -

SYNOPSIS

   Functions/Subroutines
       subroutine slagv2 (A, LDA, B, LDB, ALPHAR, ALPHAI, BETA, CSL, SNL, CSR, SNR)
	   SLAGV2 computes the Generalized Schur factorization of a real 2-by-2 matrix pencil (A,B) where B is upper triangular.

Function/Subroutine Documentation
   subroutine slagv2 (real, dimension( lda, * )A, integerLDA, real, dimension( ldb, * )B, integerLDB, real, dimension( 2 )ALPHAR, real, dimension(
       2 )ALPHAI, real, dimension( 2 )BETA, realCSL, realSNL, realCSR, realSNR)
       SLAGV2 computes the Generalized Schur factorization of a real 2-by-2 matrix pencil (A,B) where B is upper triangular.

       Purpose:

	    SLAGV2 computes the Generalized Schur factorization of a real 2-by-2
	    matrix pencil (A,B) where B is upper triangular. This routine
	    computes orthogonal (rotation) matrices given by CSL, SNL and CSR,
	    SNR such that

	    1) if the pencil (A,B) has two real eigenvalues (include 0/0 or 1/0
	       types), then

	       [ a11 a12 ] := [  CSL  SNL ] [ a11 a12 ] [  CSR -SNR ]
	       [  0  a22 ]    [ -SNL  CSL ] [ a21 a22 ] [  SNR	CSR ]

	       [ b11 b12 ] := [  CSL  SNL ] [ b11 b12 ] [  CSR -SNR ]
	       [  0  b22 ]    [ -SNL  CSL ] [  0  b22 ] [  SNR	CSR ],

	    2) if the pencil (A,B) has a pair of complex conjugate eigenvalues,
	       then

	       [ a11 a12 ] := [  CSL  SNL ] [ a11 a12 ] [  CSR -SNR ]
	       [ a21 a22 ]    [ -SNL  CSL ] [ a21 a22 ] [  SNR	CSR ]

	       [ b11  0  ] := [  CSL  SNL ] [ b11 b12 ] [  CSR -SNR ]
	       [  0  b22 ]    [ -SNL  CSL ] [  0  b22 ] [  SNR	CSR ]

	       where b11 >= b22 > 0.

       Parameters:
	   A

		     A is REAL array, dimension (LDA, 2)
		     On entry, the 2 x 2 matrix A.
		     On exit, A is overwritten by the ``A-part'' of the
		     generalized Schur form.

	   LDA

		     LDA is INTEGER
		     THe leading dimension of the array A.  LDA >= 2.

	   B

		     B is REAL array, dimension (LDB, 2)
		     On entry, the upper triangular 2 x 2 matrix B.
		     On exit, B is overwritten by the ``B-part'' of the
		     generalized Schur form.

	   LDB

		     LDB is INTEGER
		     THe leading dimension of the array B.  LDB >= 2.

	   ALPHAR

		     ALPHAR is REAL array, dimension (2)

	   ALPHAI

		     ALPHAI is REAL array, dimension (2)

	   BETA

		     BETA is REAL array, dimension (2)
		     (ALPHAR(k)+i*ALPHAI(k))/BETA(k) are the eigenvalues of the
		     pencil (A,B), k=1,2, i = sqrt(-1).  Note that BETA(k) may
		     be zero.

	   CSL

		     CSL is REAL
		     The cosine of the left rotation matrix.

	   SNL

		     SNL is REAL
		     The sine of the left rotation matrix.

	   CSR

		     CSR is REAL
		     The cosine of the right rotation matrix.

	   SNR

		     SNR is REAL
		     The sine of the right rotation matrix.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Contributors:
	   Mark Fahey, Department of Mathematics, Univ. of Kentucky, USA

       Definition at line 157 of file slagv2.f.

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

Version 3.4.2							  Tue Sep 25 2012						       slagv2.f(3)
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