hi all
can anyone please let me know if there is a way to find out duplicate rows in a file. i have a file that has hundreds of numbers(all in next row).
i want to find out the numbers that are repeted in the file.
eg.
123434
534
5575
4746767
347624
5575
i want 5575
please help (3 Replies)
I have searched the internet for duplicate row extracting.
All I have seen is extracting good rows or eliminating duplicate rows.
How do I extract duplicate rows from a flat file in unix.
I'm using Korn shell on HP Unix.
For.eg.
FlatFile.txt
========
123:456:678
123:456:678
123:456:876... (5 Replies)
Hi all,
I have written one shell script. The output file of this script is having sql output.
In that file, I want to extract the rows which are having multiple entries(duplicate rows).
For example, the output file will be like the following way.
... (7 Replies)
Hi! I have a file as below:
line1
line2
line2
line3
line3
line3
line4
line4
line4
line4
I would like to extract duplicate lines (not unique, triplicate or quadruplicate lines). Output will be as below:
line2
line2
I would appreciate if anyone can help. Thanks. (4 Replies)
Hi ,
I have a data file in this format.
p1 p2 p3
10 0
10 0 1000
I am using a sqlloader script to load the data into the database table.There is a unique constraint on the columns p1 and p2.
So, sqlldr cannot load both the records. This eliminates duplicate records from being... (1 Reply)
I feel stupid for asking this because it seems that MYSQL code isn't working the way that I think it should work.
Basically I wrote code like this:
select * from `Test_DC_Trailer` HAVING max(DR_RefKey);
Where the DR_RefKey is a unique numeric field that is auto iterated (like a primary key)... (7 Replies)
Hi all
I have a file that has two columns and I need the maximum value in column 2 of 4 positions o rows. for example at position {1..3} there are 4 characters (A, C, G and T) each of these characters with a value with a value in column 2. I need the maximum value in column 2 and the corresponding... (2 Replies)
I want to duplicate each row in my file
Egfile.txt
Name State Age
Jack NJ 34
John MA 23
Jessica FL 45
I want the code to produce this output
Name State Age
Jack NJ 34
Jack NJ 34
John MA 23
John MA 23
Jessica FL 45
Jessica FL 45 (6 Replies)
Hi,
I have a file that contains multiple records of the same database.
I need to search for the maximum size of the database. At the moment, I am doing as below:
Sample generated file to parse is as below. With the caret (^) delimiter, field 1 is the database name, 2 is the database ID and... (3 Replies)
Discussion started by: newbie_01
3 Replies
LEARN ABOUT DEBIAN
statistics::basic::median
Statistics::Basic::Median(3pm) User Contributed Perl Documentation Statistics::Basic::Median(3pm)NAME
Statistics::Basic::Median - find the median of a list
SYNOPSIS
Invoke it this way:
my $median = median(1,2,3);
Or this way:
my $v1 = vector(1,2,3);
my $med = median($v1);
And then either query the values or print them like so:
print "The median of $v1: $med
";
my $mq = $med->query;
my $m0 = 0+$med;
Create a 20 point "moving" median like so:
use Statistics::Basic qw(:all nofill);
my $sth = $dbh->prepare("select col1 from data where something");
my $len = 20;
my $med = median()->set_size($len);
$sth->execute or die $dbh->errstr;
$sth->bind_columns( my $val ) or die $dbh->errstr;
while( $sth->fetch ) {
$med->insert( $val );
if( defined( $m = $med->query ) ) {
print "Median: $m
";
}
# This would also work:
# print "Median: $med
" if $med->query_filled;
}
METHODS
new()
The constructor takes a single array ref or a single Statistics::Basic::Vector as arguments. It returns a Statistics::Basic::Median
object.
Note: normally you'd use the median() constructor, rather than building these by hand using "new()".
_OVB::import()
This module also inherits all the overloads and methods from Statistics::Basic::_OneVectorBase.
OVERLOADS
This object is overloaded. It tries to return an appropriate string for the calculation or the value of the computation in numeric
context.
In boolean context, this object is always true (even when empty).
AUTHOR
Paul Miller "<jettero@cpan.org>"
COPYRIGHT
Copyright 2012 Paul Miller -- Licensed under the LGPL
SEE ALSO perl(1), Statistics::Basic, Statistics::Basic::_OneVectorBase, Statistics::Basic::Vector
perl v5.14.2 2012-01-23 Statistics::Basic::Median(3pm)