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Full Discussion: Variable value not being fetched in the filename..
Top Forums Shell Programming and Scripting Variable value not being fetched in the filename.. Post 302201172 by RRVARMA on Saturday 31st of May 2008 02:57:37 PM
Old 05-31-2008
Error Variable value not being fetched in the filename..
Hi,

In the code below, the $DD1, $DD2, $MM1, $MM2 are not fetching the values. Can anybody tell me where have i made wrong.

Shift_date.sh is a script which gives the previous date if we give the current date in the format YYYYMMDD and +/- how many days past/future.. Like Shift_date.sh 20080531 -2 gives an output as 20080529.

At last echo $DD1 is giving the correct value. But i need to get that in Pockets_$MM1-$DD1_to_$MM2-$DD2_data.txt..
Is it because of meta characters being used? Please Help..

Code:
#!/bin/ksh

currweekday=`date '+%u'`

currdate=`date '+%Y%m%d'`

((n1 = currweekday + 7))
((n2 = currweekday + 1))

DD1=$(ksh Shift_date.sh $currdate -$n1 | cut -c7-8)
MM1=$(ksh Shift_date.sh $currdate -$n1 | cut -c5-6)
DD2=$(ksh Shift_date.sh $currdate -$n2 | cut -c7-8) 
MM2=$(ksh Shift_date.sh $currdate -$n2 | cut -c5-6)

echo Pockets_$MM1-$DD1_to_$MM2-$DD2_data.txt

echo $DD1

Thanks,
RRVARMA
 

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LEARN ABOUT CENTOS

drotmg.f

drotmg.f(3)							      LAPACK							       drotmg.f(3)

NAME

       drotmg.f -

SYNOPSIS

   Functions/Subroutines
       subroutine drotmg (DD1, DD2, DX1, DY1, DPARAM)
	   DROTMG

Function/Subroutine Documentation
   subroutine drotmg (double precisionDD1, double precisionDD2, double precisionDX1, double precisionDY1, double precision, dimension(5)DPARAM)
       DROTMG Purpose:

	       CONSTRUCT THE MODIFIED GIVENS TRANSFORMATION MATRIX H WHICH ZEROS
	       THE SECOND COMPONENT OF THE 2-VECTOR  (DSQRT(DD1)*DX1,DSQRT(DD2)*>    DY2)**T.
	       WITH DPARAM(1)=DFLAG, H HAS ONE OF THE FOLLOWING FORMS..

	       DFLAG=-1.D0     DFLAG=0.D0	 DFLAG=1.D0	DFLAG=-2.D0

		 (DH11	DH12)	 (1.D0	DH12)	 (DH11	1.D0)	 (1.D0	0.D0)
	       H=(	    )	 (	    )	 (	    )	 (	    )
		 (DH21	DH22),	 (DH21	1.D0),	 (-1.D0 DH22),	 (0.D0	1.D0).
	       LOCATIONS 2-4 OF DPARAM CONTAIN DH11, DH21, DH12, AND DH22
	       RESPECTIVELY. (VALUES OF 1.D0, -1.D0, OR 0.D0 IMPLIED BY THE
	       VALUE OF DPARAM(1) ARE NOT STORED IN DPARAM.)

	       THE VALUES OF GAMSQ AND RGAMSQ SET IN THE DATA STATEMENT MAY BE
	       INEXACT.  THIS IS OK AS THEY ARE ONLY USED FOR TESTING THE SIZE
	       OF DD1 AND DD2.	ALL ACTUAL SCALING OF DATA IS DONE USING GAM.

       Parameters:
	   DD1

		     DD1 is DOUBLE PRECISION

	   DD2

		     DD2 is DOUBLE PRECISION

	   DX1

		     DX1 is DOUBLE PRECISION

	   DY1

		     DY1 is DOUBLE PRECISION

	   DPARAM

		     DPARAM is DOUBLE PRECISION array, dimension 5
		DPARAM(1)=DFLAG
		DPARAM(2)=DH11
		DPARAM(3)=DH21
		DPARAM(4)=DH12
		DPARAM(5)=DH22

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   November 2011

       Definition at line 91 of file drotmg.f.

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

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