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UNIX for Beginners Questions & Answers
Print lines based upon unique values in Nth field
Post 303010222 by jvoot on Thursday 28th of December 2017 01:04:47 PM
12-28-2017
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I want to find the top N entries for a certain field based on the values of another field.
For example if N=3, we want the 3 best values for each entry:
Entry1 ||| 100
Entry1 ||| 95
Entry1 ||| 30
Entry1 ||| 80
Entry1 ||| 50
Entry2 ||| 40
Entry2 ||| 20
Entry2 ||| 10
Entry2 ||| 50... (1 Reply)
Discussion started by: FrancoisCN
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2. Shell Programming and Scripting
Hi.
I have a tab separated file that has a couple nearly identical lines. When doing:
sort file | uniq > file.new
It passes through the nearly identical lines because, well, they still are unique.
a)
I want to look only at field x for uniqueness and if the content in field x is the... (1 Reply)
Discussion started by: rocket_dog
1 Replies
3. Shell Programming and Scripting
Hi,
Is there any short method to print from a particular field till another filed using awk?
Example File:
File1
====
1|2|acv|vbc|......|100|342
2|3|afg|nhj|.......|100|346
Expected output:
File2
====
acv|vbc|.....|100
afg|nhj|.....|100 (8 Replies)
Discussion started by: machomaddy
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4. UNIX for Dummies Questions & Answers
Hey,
I'm sure this is answered somewhere but my Googling has turned up nothing. I have a file with data in the following format:
<desription of event> at <time and date>The desription of the event is variable length and hence when the list is displayed it is hard to easily see the date (and... (8 Replies)
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5. Shell Programming and Scripting
I have a need to print nth field based on the parameter passed. Suppose I have 3 fields in a file, passing 1 to the function should print 1st field and so on.
I have attempted below function but this throws an error due to incorrect awk syntax.
function calcmaxlen
{
FIELDMAXLEN=0
... (5 Replies)
Discussion started by: krishmaths
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6. UNIX for Dummies Questions & Answers
I would like to print unique lines without sort or unique. Unfortunately the server I am working on does not have sort or unique. I have not been able to contact the administrator of the server to ask him to add it for several weeks. (7 Replies)
Discussion started by: cokedude
7 Replies
7. Shell Programming and Scripting
I am trying to use awk to print the unique entries in $2
So in the example below there are 3 lines but 2 of the lines match in $2 so only one is used in the output.
File.txt
chr17:29667512-29667673 NF1:exon.1;NF1:exon.2;NF1:exon.38;NF1:exon.4;NF1:exon.46;NF1:exon.47 703.807... (5 Replies)
Discussion started by: cmccabe
5 Replies
8. Shell Programming and Scripting
Trying to print the unique values in $2 before the -, currently the count is displayed. Hopefully, the below is close. Thank you :).
file
chr2:46603668-46603902 EPAS1-902|gc=54.3 253.1
chr2:211471445-211471675 CPS1-1205|gc=48.3 264.7
chr19:15291762-15291983 NOTCH3-1003|gc=68.8 195.8... (3 Replies)
Discussion started by: cmccabe
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9. Shell Programming and Scripting
Hello experts,
I am converting a number into its binary output as :
read n
echo "obase=2;$n" | bc
I wish to count the maximum continuous occurrences of the digit 1.
Example :
1. The binary equivalent of 5 = 101. Hence the output must be 1.
2. The binary... (3 Replies)
Discussion started by: H squared
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10. Shell Programming and Scripting
In the awk below I am trying to print the entire line, along with the header row, if $2 is SNV or MNV or INDEL. If that condition is met or is true, and $3 is less than or equal to 0.05, then in $7 the sub pattern :GMAF= is found and the value after the = sign is checked. If that value is less than... (0 Replies)
Discussion started by: cmccabe
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LEARN ABOUT DEBIAN
blkrawverify
BLKRAWVERIFY(1) BLKRAWVERIFY(1) NAME
blkrawverify - verifies an output file produced by blkparse SYNOPSIS
blkrawverify <dev> [<dev>...] DESCRIPTION
The blkrawverify utility can be used to verify data retrieved via blktrace. It will check for valid event formats, forward progressing sequence numbers and time stamps, also does reasonable checks for other potential issues within individual events. Errors found will be tracked in <dev>.verify.out. AUTHORS
blkparse was written by Jens Axboe, Alan D. Brunelle and Nathan Scott. This man page was created from the blktrace documentation by Bas Zoetekouw. REPORTING BUGS
Report bugs to <linux-btrace@vger.kernel.org> COPYRIGHT
Copyright (C) 2006 Jens Axboe, Alan D. Brunelle and Nathan Scott. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law. This manual page was created for Debian by Bas Zoetekouw. It was derived from the documentation provided by the authors and it may be used, distributed and modified under the terms of the GNU General Public License, version 2. On Debian systems, the text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-2. SEE ALSO
btrace (8), blktrace (8), blkparse (1), verify_blkparse (1), btt (1) blktrace git-20070306202522 March 6, 2007 BLKRAWVERIFY(1)