Hi there, I have a text file with several colums separated by "|;#" I need to search the file extracting all columns starting with the value of "1" or "2" saving in a separate file just the first 7 columns of each row maching the criteria, with replacement of the saparators in the nearly created file from "|;#" into ";".
Just for instance this is what I have :
What I need in a separate file is this :
Thanks a lot in advance for your help
Nino
Last edited by vbe; 09-11-2009 at 01:31 PM..
Reason: code tags added
Hi,
I'm working hard on SQL and I came across a hurdle I'm hoping you can help me out with.
I have two tables
table1
headers: chrom start end name score strand
11 9720685 9720721 U0 0 +
21 9721043 9721079 U0 0 -
1 9721093 9721129 U0 0 +
20 ... (2 Replies)
Hi,
I am trying to use AWK to do some editing and formating of large tables of numbers and I am having trouble getting it to work. For brevities sake, I won't show the whole table, but I have a sample set of code:
und$ awk '{($2+0) > 50;print $1}' temp
2000 147
2008 128
2002 100
1999 47... (2 Replies)
Hi,
I want a UNIX command that can filter out rows with certain criteria.
The file is tab deliminated. Row one is just a value. Basically what I want to do is select based on the name and character at the end (o). So lets lets say i want a row that has WashU and (o) then it would print... (2 Replies)
I have a file which contains five hundred thousand lines (500,000). I want to select lines of every 1000 lines from that file using AWK. I can think something like this in bash as below:
for lines in {0..500000..1000}
do
........
........
done
But I want to use AWK. I do not know how to... (4 Replies)
Hi
My pipe delimited .txt file contains rows with 10 columns.
Can anyone advise how I output to file only those rows with the letters ‘ci'
as the first 2 characters in the 3rd column ?
Many thanks (4 Replies)
Gurus,
From a file I need to remove duplicate rows based on the first column data but also we need to consider a date column where we need to keep the latest date (13th column).
Ex:
Input File:
Output File:
I know how to take out the duplicates but I couldn't figure out... (5 Replies)
HI all,
I have a simple challenge for you.. I have the following pipe delimited file
2345|98|1809||x|969|0
2345|98|0809||y|0|537
2345|97|9809||x|544|0
2345|97|0909||y|0|651
9685|98|7809||x|321|0
9685|98|7909||y|0|357
9685|98|7809||x|687|0
9685|98|0809||y|0|234
2315|98|0809||x|564|0
... (2 Replies)
Hello, everyone
I am beginner for shell programming. I want to print all lines that have the same values in first two columns
data:
a b 1 2
a a 3 4
b b 5 6
a b 4 6
what I expected is :
a a 3 4
b b 5 6
but I searched for one hour in... (2 Replies)
I have a rather convoluted script that I use to extract information from CSV files:
sed '1d' PeakTable.txt | awk -F ',' '!/Ladder/{ if ( $4 > 430 && $4 < 490 && $5 > 45 ) print $2, $5; else print $2, 0 }' | awk '{a+=$2}END{for(i in a){print i, a}}' | sed 's/\(\)\(\) /\10\2 /' | sort | awk... (4 Replies)
Discussion started by: Xterra
4 Replies
LEARN ABOUT DEBIAN
io::digest
IO::Digest(3pm) User Contributed Perl Documentation IO::Digest(3pm)NAME
IO::Digest - Calculate digests while reading or writing
SYNOPSIS
use IO::Digest;
# Get a Digest::MD5 object that takes input while $fh being written or read
$iod = IO::Digest->new ($fh, 'MD5');
print $fh "fooo";
print $iod->hexdigest
DESCRIPTION
This module allows you to calculate digests while reading or writing file handles. This avoids the case you need to reread the same con-
tent to compute the digests after written a file.
TEST COVERAGE ----------------------------------- ------ ------ ------ ------ ------ ------
File stmt branch cond sub time total
----------------------------------- ------ ------ ------ ------ ------ ------
blib/lib/IO/Digest.pm 100.0 n/a n/a 100.0 100.0 100.0
Total 100.0 n/a n/a 100.0 100.0 100.0
----------------------------------- ------ ------ ------ ------ ------ ------
AUTHORS
Chia-liang Kao <clkao@clkao.org>
COPYRIGHT
Copyright 2004 by Chia-liang Kao <clkao@clkao.org>.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
See <http://www.perl.com/perl/misc/Artistic.html>
perl v5.8.8 2004-09-24 IO::Digest(3pm)