10-12-2004
Mine is a plane one too. I have been using this for everywhere since 1998. name Murat Ahat, so murataht appeared to be a sort of 8 character abbreviation of my full name. not very imaginative.
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Found this piece of code written in ksh. I have no ideas what do the stuff like ${SRF##*\.} do.
SUFFIX=${SRF##*\.}
if ; then
SUFFIX=""
fi
I have encountered similar expressions in other programs also. Any pointers on where to learn more about these... (1 Reply)
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2. Post Here to Contact Site Administrators and Moderators
woofie,
Your posts are being deleted because your use of profanity.
I am close to changing your status to read only.
In fact, if you argue with the mods again, I will ban you from these boards.
Neo (1 Reply)
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Hi,
whats the difference between $* and $@ in command line arguments to a shell scripts (3 Replies)
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6. Shell Programming and Scripting
hi all,
i found NAME=${0##*/} in a script.
i given this coomand in my unix box(presently in ksh).
echo ${0##*/} it returned ksh.
the purpose of the above is to return the shell name or more than that.
do you have any more information like this, please share with me.
one more query... (7 Replies)
Discussion started by: Arunprasad
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7. Shell Programming and Scripting
Hi all,
could you please tell me whats this stands
##*_
0##*/
i knew this alone if some more is there please tell me that also. (3 Replies)
Discussion started by: Arunprasad
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Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
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CLASR(l) ) CLASR(l)
NAME
CLASR - perform the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand
side ) where A is an m by n complex matrix and P is an orthogonal matrix,
SYNOPSIS
SUBROUTINE CLASR( SIDE, PIVOT, DIRECT, M, N, C, S, A, LDA )
CHARACTER DIRECT, PIVOT, SIDE
INTEGER LDA, M, N
REAL C( * ), S( * )
COMPLEX A( LDA, * )
PURPOSE
CLASR performs the transformation A := P*A, when SIDE = 'L' or 'l' ( Left-hand side ) A := A*P', when SIDE = 'R' or 'r' ( Right-hand side )
where A is an m by n complex matrix and P is an orthogonal matrix, consisting of a sequence of plane rotations determined by the parameters
PIVOT and DIRECT as follows ( z = m when SIDE = 'L' or 'l' and z = n when SIDE = 'R' or 'r' ):
When DIRECT = 'F' or 'f' ( Forward sequence ) then
P = P( z - 1 )*...*P( 2 )*P( 1 ),
and when DIRECT = 'B' or 'b' ( Backward sequence ) then
P = P( 1 )*P( 2 )*...*P( z - 1 ),
where P( k ) is a plane rotation matrix for the following planes:
when PIVOT = 'V' or 'v' ( Variable pivot ),
the plane ( k, k + 1 )
when PIVOT = 'T' or 't' ( Top pivot ),
the plane ( 1, k + 1 )
when PIVOT = 'B' or 'b' ( Bottom pivot ),
the plane ( k, z )
c( k ) and s( k ) must contain the cosine and sine that define the matrix P( k ). The two by two plane rotation part of the matrix P( k
), R( k ), is assumed to be of the form
R( k ) = ( c( k ) s( k ) ).
( -s( k ) c( k ) )
ARGUMENTS
SIDE (input) CHARACTER*1
Specifies whether the plane rotation matrix P is applied to A on the left or the right. = 'L': Left, compute A := P*A
= 'R': Right, compute A:= A*P'
DIRECT (input) CHARACTER*1
Specifies whether P is a forward or backward sequence of plane rotations. = 'F': Forward, P = P( z - 1 )*...*P( 2 )*P( 1 )
= 'B': Backward, P = P( 1 )*P( 2 )*...*P( z - 1 )
PIVOT (input) CHARACTER*1
Specifies the plane for which P(k) is a plane rotation matrix. = 'V': Variable pivot, the plane (k,k+1)
= 'T': Top pivot, the plane (1,k+1)
= 'B': Bottom pivot, the plane (k,z)
M (input) INTEGER
The number of rows of the matrix A. If m <= 1, an immediate return is effected.
N (input) INTEGER
The number of columns of the matrix A. If n <= 1, an immediate return is effected.
C, S (input) REAL arrays, dimension (M-1) if SIDE = 'L' (N-1) if SIDE = 'R' c(k) and s(k) contain the cosine and sine that
define the matrix P(k). The two by two plane rotation part of the matrix P(k), R(k), is assumed to be of the form R( k ) = ( c( k
) s( k ) ). ( -s( k ) c( k ) )
A (input/output) COMPLEX array, dimension (LDA,N)
The m by n matrix A. On exit, A is overwritten by P*A if SIDE = 'R' or by A*P' if SIDE = 'L'.
LDA (input) INTEGER
The leading dimension of the array A. LDA >= max(1,M).
LAPACK version 3.0 15 June 2000 CLASR(l)