07-07-2013
Copying part of a data file into another
Hi,
I have a large number of data files each containing simple integers from 1 to around 25000 in ascending order. However, they are not in a specific progression; some numbers are missing in each file.
For ex. datfile1 may have the numbers in order 1 2 4 6 7 8 12 ... 24996 24999
while datfile2 may have them in order 1 3 5 6 8 9 ... 24999 25000
For each data file, I want to create a new one which has only the integers greater than 16000.
For ex. newdatfile1 may have numbers 16001 16003 16004 ... 24996 24999
The problem is I know very little about UNIX. So, any help will be highly appreciated.
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LEARN ABOUT CENTOS
slamrg.f
slamrg.f(3) LAPACK slamrg.f(3)
NAME
slamrg.f -
SYNOPSIS
Functions/Subroutines
subroutine slamrg (N1, N2, A, STRD1, STRD2, INDEX)
SLAMRG creates a permutation list to merge the entries of two independently sorted sets into a single set sorted in ascending order.
Function/Subroutine Documentation
subroutine slamrg (integerN1, integerN2, real, dimension( * )A, integerSTRD1, integerSTRD2, integer, dimension( * )INDEX)
SLAMRG creates a permutation list to merge the entries of two independently sorted sets into a single set sorted in ascending order.
Purpose:
SLAMRG will create a permutation list which will merge the elements
of A (which is composed of two independently sorted sets) into a
single set which is sorted in ascending order.
Parameters:
N1
N1 is INTEGER
N2
N2 is INTEGER
These arguements contain the respective lengths of the two
sorted lists to be merged.
A
A is REAL array, dimension (N1+N2)
The first N1 elements of A contain a list of numbers which
are sorted in either ascending or descending order. Likewise
for the final N2 elements.
STRD1
STRD1 is INTEGER
STRD2
STRD2 is INTEGER
These are the strides to be taken through the array A.
Allowable strides are 1 and -1. They indicate whether a
subset of A is sorted in ascending (STRDx = 1) or descending
(STRDx = -1) order.
INDEX
INDEX is INTEGER array, dimension (N1+N2)
On exit this array will contain a permutation such that
if B( I ) = A( INDEX( I ) ) for I=1,N1+N2, then B will be
sorted in ascending order.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 100 of file slamrg.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 slamrg.f(3)