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Full Discussion: Bash or awk script to solve this problem
Top Forums Shell Programming and Scripting Bash or awk script to solve this problem Post 302453421 by Alice236 on Wednesday 15th of September 2010 07:42:59 AM
Old 09-15-2010
Bash or awk script to solve this problem
Hi everybody!

I have written some awk scripts that return me some results I need to process. At the moment I use openOffice to process them, but I am trying to find a more efficient solution using possibly a bash or awk script.

I have two files, file1 is in the format:
time position
HTML Code:
900.07552 out
900.21297 out
901.53535 out
902.24243 out
903.76858 in
903.80986 in
904.68645 in
905.75785 in
906.13636 in
907.35424 out
908.45325 out
909.23456 in
910.24322 out
911.54478 out
...
Then the second file (file2) is in the format:
time measurement
HTML Code:
896.72412 23
899.84956 12
900.93412 23
903.14356 12
906.00001 18
909.28645 20
910.83635 11
...
I'd like to obtain the lines in file2 correspondent to the time instants in which the position is "in", for example:
HTML Code:
906.00001 18
909.28645 20
Since these files are very long and have variable sizes, I find quite uncomfortable to use openoffice, so I am trying to write a script but I am very new to scripts and I have some problems in comparing lines.. any idea?
Thank you very much!!!!
 

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LEARN ABOUT CENTOS

slarrj.f

slarrj.f(3)							      LAPACK							       slarrj.f(3)

NAME

       slarrj.f -

SYNOPSIS

   Functions/Subroutines
       subroutine slarrj (N, D, E2, IFIRST, ILAST, RTOL, OFFSET, W, WERR, WORK, IWORK, PIVMIN, SPDIAM, INFO)
	   SLARRJ performs refinement of the initial estimates of the eigenvalues of the matrix T.

Function/Subroutine Documentation
   subroutine slarrj (integerN, real, dimension( * )D, real, dimension( * )E2, integerIFIRST, integerILAST, realRTOL, integerOFFSET, real,
       dimension( * )W, real, dimension( * )WERR, real, dimension( * )WORK, integer, dimension( * )IWORK, realPIVMIN, realSPDIAM, integerINFO)
       SLARRJ performs refinement of the initial estimates of the eigenvalues of the matrix T.

       Purpose:

	    Given the initial eigenvalue approximations of T, SLARRJ
	    does  bisection to refine the eigenvalues of T,
	    W( IFIRST-OFFSET ) through W( ILAST-OFFSET ), to more accuracy. Initial
	    guesses for these eigenvalues are input in W, the corresponding estimate
	    of the error in these guesses in WERR. During bisection, intervals
	    [left, right] are maintained by storing their mid-points and
	    semi-widths in the arrays W and WERR respectively.

       Parameters:
	   N

		     N is INTEGER
		     The order of the matrix.

	   D

		     D is REAL array, dimension (N)
		     The N diagonal elements of T.

	   E2

		     E2 is REAL array, dimension (N-1)
		     The Squares of the (N-1) subdiagonal elements of T.

	   IFIRST

		     IFIRST is INTEGER
		     The index of the first eigenvalue to be computed.

	   ILAST

		     ILAST is INTEGER
		     The index of the last eigenvalue to be computed.

	   RTOL

		     RTOL is REAL
		     Tolerance for the convergence of the bisection intervals.
		     An interval [LEFT,RIGHT] has converged if
		     RIGHT-LEFT.LT.RTOL*MAX(|LEFT|,|RIGHT|).

	   OFFSET

		     OFFSET is INTEGER
		     Offset for the arrays W and WERR, i.e., the IFIRST-OFFSET
		     through ILAST-OFFSET elements of these arrays are to be used.

	   W

		     W is REAL array, dimension (N)
		     On input, W( IFIRST-OFFSET ) through W( ILAST-OFFSET ) are
		     estimates of the eigenvalues of L D L^T indexed IFIRST through
		     ILAST.
		     On output, these estimates are refined.

	   WERR

		     WERR is REAL array, dimension (N)
		     On input, WERR( IFIRST-OFFSET ) through WERR( ILAST-OFFSET ) are
		     the errors in the estimates of the corresponding elements in W.
		     On output, these errors are refined.

	   WORK

		     WORK is REAL array, dimension (2*N)
		     Workspace.

	   IWORK

		     IWORK is INTEGER array, dimension (2*N)
		     Workspace.

	   PIVMIN

		     PIVMIN is REAL
		     The minimum pivot in the Sturm sequence for T.

	   SPDIAM

		     SPDIAM is REAL
		     The spectral diameter of T.

	   INFO

		     INFO is INTEGER
		     Error flag.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Contributors:
	   Beresford Parlett, University of California, Berkeley, USA
	    Jim Demmel, University of California, Berkeley, USA
	    Inderjit Dhillon, University of Texas, Austin, USA
	    Osni Marques, LBNL/NERSC, USA
	    Christof Voemel, University of California, Berkeley, USA

       Definition at line 167 of file slarrj.f.

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

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