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Full Discussion: Split File Based on Line Number Pattern
Top Forums Shell Programming and Scripting Split File Based on Line Number Pattern Post 302241857 by shankster on Tuesday 30th of September 2008 01:03:15 PM
Old 09-30-2008
Yes, 11,14, and 17 would then go to the first file again.

I am trying to use KSH to complete this task. Below is what I have so far, but the count variable does not appear to be resetting to 1 after it reaches 11. Also, I am getting output similar to:

File_split_DC.sh[42]: 2: not found.
File_split_DC.sh[42]: 3: not found.
File_split_DC.sh[42]: 4: not found.

The name of my script is "File_split_DC.sh"

#!/usr/bin/ksh

count=1

while read line
do

case $count in
1)
echo "$line" >> RT1.txt
;;
2)
echo "$line" >> RT2.txt
;;
3)
echo "$line" >> RT3.txt
;;
4)
echo "$line" >> RT1.txt
;;
5)
echo "$line" >> RT2.txt
;;
6)
echo "$line" >> RT3.txt
;;
7)
echo "$line" >> RT1.txt
;;
8)
echo "$line" >> RT2.txt
;;
9)
echo "$line" >> RT3.txt
;;
10)
echo "$line" >> RT4.txt
;;
esac
(( count+=1 ))

if $count -gt 10; then
count=1

fi
done < My_Test.txt

exit 0
 

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LEARN ABOUT DEBIAN

slaev2

slaev2.f(3)							      LAPACK							       slaev2.f(3)

NAME

       slaev2.f -

SYNOPSIS

   Functions/Subroutines
       subroutine slaev2 (A, B, C, RT1, RT2, CS1, SN1)
	   SLAEV2

Function/Subroutine Documentation
   subroutine slaev2 (realA, realB, realC, realRT1, realRT2, realCS1, realSN1)
       SLAEV2

       Purpose:

	    SLAEV2 computes the eigendecomposition of a 2-by-2 symmetric matrix
	       [  A   B  ]
	       [  B   C  ].
	    On return, RT1 is the eigenvalue of larger absolute value, RT2 is the
	    eigenvalue of smaller absolute value, and (CS1,SN1) is the unit right
	    eigenvector for RT1, giving the decomposition

	       [ CS1  SN1 ] [  A   B  ] [ CS1 -SN1 ]  =  [ RT1	0  ]
	       [-SN1  CS1 ] [  B   C  ] [ SN1  CS1 ]	 [  0  RT2 ].

       Parameters:
	   A

		     A is REAL
		     The (1,1) element of the 2-by-2 matrix.

	   B

		     B is REAL
		     The (1,2) element and the conjugate of the (2,1) element of
		     the 2-by-2 matrix.

	   C

		     C is REAL
		     The (2,2) element of the 2-by-2 matrix.

	   RT1

		     RT1 is REAL
		     The eigenvalue of larger absolute value.

	   RT2

		     RT2 is REAL
		     The eigenvalue of smaller absolute value.

	   CS1

		     CS1 is REAL

	   SN1

		     SN1 is REAL
		     The vector (CS1, SN1) is a unit right eigenvector for RT1.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   November 2011

       Further Details:

	     RT1 is accurate to a few ulps barring over/underflow.

	     RT2 may be inaccurate if there is massive cancellation in the
	     determinant A*C-B*B; higher precision or correctly rounded or
	     correctly truncated arithmetic would be needed to compute RT2
	     accurately in all cases.

	     CS1 and SN1 are accurate to a few ulps barring over/underflow.

	     Overflow is possible only if RT1 is within a factor of 5 of overflow.
	     Underflow is harmless if the input data is 0 or exceeds
		underflow_threshold / macheps.

       Definition at line 121 of file slaev2.f.

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

Version 3.4.1							  Sun May 26 2013						       slaev2.f(3)
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