07-06-2010
Thank you all. That solves it!
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1. Shell Programming and Scripting
As I know:
FNR: The ordinal number of the current record in the current file.
NR: The ordinal number of the current record from the start of input.
I don't understand really differency between NR and FNR. Who can explain it for me? And give me an example.
Thanks (1 Reply)
Discussion started by: anhtt
1 Replies
2. Shell Programming and Scripting
Hi all,
I have 2 files. One contains only 1 column and other one contains 2 columns, let say 1_col.txt and 2_col.txt respectively. Here, I will try to explain with an example.
Input files :
1_col.txt 2_col.txt
a a b
x a c
p ... (5 Replies)
Discussion started by: AshwaniSharma09
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3. Shell Programming and Scripting
Hi,
I have a file in windows environment and moved to UNIX through FTP (ASCII format).
The file is having with tab delimited file.
awk ‘FNR>2' file_cust*.txt >>filnal.txt
I have the same file in production; it is working fine with the same procedure. Once we receive the file in windows... (1 Reply)
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4. Shell Programming and Scripting
cat file1
1 a b c
2 d e f
3 a f r
cat file2
a c e
output should be
1
3
means:
if field 1 of file2 matches filed 2 of file1 then print field 1 of file1
I know that it can be done using awk NR=FNR.
But not able to acheive it.
Thanks in advance. (9 Replies)
Discussion started by: shaan4uster
9 Replies
5. Shell Programming and Scripting
awk -F'' 'FNR==NR {a=$2; next} {$1=a} 1' $useralias ${entries} >> ${entries}_2
Hi,
Is there anyway to alter this command so that if it does not find a match it will just leave the line alone instead of replacing what it doesn't find with a blank space? (4 Replies)
Discussion started by: Jazmania
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6. Shell Programming and Scripting
This has been asked and answered hundreds of times, but I can't understand the syntax of awk's NR==FNR trick for merging files and printing the correct columns.
Here's my File 1
1 rs8179466 224176 A ADD 1037 1.066 0.1421 0.8065 1.408 0.4468 ... (3 Replies)
Discussion started by: roofus
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Hi
i have file1:
conn=232257 client=16218.19488.218.86:51237 protocol=LDAP
file2:
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conn=232370 dn="uid=ball,ou=yyyyyy,ou=usfhfhfhers,dc=example,dc=com"
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8. Shell Programming and Scripting
Example:
$ cat file1
2
3$ cat file2
1
2
3
4
5
6The following awk script works like a charm, NR==FNR is true for file1, the remainder runs for file2:
awk '
NR==FNR {A; next}
($1 in A)
' file1 file2
2
3Now have an empty file1:
>file1and run the awk script again.
The result is empty... (8 Replies)
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9. Shell Programming and Scripting
Hi,
I have an issue with the below script
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10. UNIX for Beginners Questions & Answers
Dear All,
I have below two files with me:
file 1:
A|B
E|F
C|D
file 2:
A|X|Y
R|T|I
C|V|N
I want to compare 1st column of each file and than print both columns of file 1 and column 2 and 3 of file 2
Sample required output in regards to above files is below:
A|B|X|Y
C|D|V|N (5 Replies)
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LEARN ABOUT CENTOS
sgesc2
sgesc2.f(3) LAPACK sgesc2.f(3)
NAME
sgesc2.f -
SYNOPSIS
Functions/Subroutines
subroutine sgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE)
SGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2.
Function/Subroutine Documentation
subroutine sgesc2 (integerN, real, dimension( lda, * )A, integerLDA, real, dimension( * )RHS, integer, dimension( * )IPIV, integer, dimension(
* )JPIV, realSCALE)
SGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2.
Purpose:
SGESC2 solves a system of linear equations
A * X = scale* RHS
with a general N-by-N matrix A using the LU factorization with
complete pivoting computed by SGETC2.
Parameters:
N
N is INTEGER
The order of the matrix A.
A
A is REAL array, dimension (LDA,N)
On entry, the LU part of the factorization of the n-by-n
matrix A computed by SGETC2: A = P * L * U * Q
LDA
LDA is INTEGER
The leading dimension of the array A. LDA >= max(1, N).
RHS
RHS is REAL array, dimension (N).
On entry, the right hand side vector b.
On exit, the solution vector X.
IPIV
IPIV is INTEGER array, dimension (N).
The pivot indices; for 1 <= i <= N, row i of the
matrix has been interchanged with row IPIV(i).
JPIV
JPIV is INTEGER array, dimension (N).
The pivot indices; for 1 <= j <= N, column j of the
matrix has been interchanged with column JPIV(j).
SCALE
SCALE is REAL
On exit, SCALE contains the scale factor. SCALE is chosen
0 <= SCALE <= 1 to prevent owerflow in the solution.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Contributors:
Bo Kagstrom and Peter Poromaa, Department of Computing Science, Umea University, S-901 87 Umea, Sweden.
Definition at line 115 of file sgesc2.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 sgesc2.f(3)