BOL: Rahul Nayak's wire posts

Wire post by Rahul Nayak

Rahul Nayak — Thu, 10 Sep 2015 19:22:04 -0500

Ten Simple Rules for a Computational Biologist’s Laboratory Notebook. http://journals.plos.org/ploscollections/article?id=10.1371%2Fjournal.pcbi.1004385 #Notebook #Lab #Rules #Bioinformatics

Wire post by Rahul Nayak

Rahul Nayak — Wed, 09 Sep 2015 16:17:11 -0500

Count the number of sequences in fastaq file. grep -c '^@' sample1.fq #Fastaq #Count #Number #Grep #Dirty #Oneliner #NGS

Wire post by Rahul Nayak

Rahul Nayak — Wed, 09 Sep 2015 16:05:55 -0500

Remove the fasta description and just keep the identifier. perl -p -i -e 's/>(.+?) .+/>$1/g' sample1.fa #Perl #Oneliner #Trick #Tips #Fasta #Identifier #Remove

Wire post by Rahul Nayak

Rahul Nayak — Wed, 09 Sep 2015 16:01:53 -0500

Extract sequences by their ID from a fasta file. perl -ne 'if(/^>(\S+)/){$c=$i{$1}}$c?print:chomp;$i{$_}=1 if @ARGV' ids.txt sample1.fa #Extract #Sequences #IDs #Fasta #Perl #Trick #Oneliner

Wire post by Rahul Nayak

Rahul Nayak — Mon, 07 Sep 2015 12:14:57 -0500

Search and replace the string 'this' with the string 'that' in the file filename. perl -p -i -e 's/this/that/g' filename #Perl #Trick #PerlOneLiner #Tipsoftheday #Replace #FindandReplace

Wire post by Rahul Nayak

Rahul Nayak — Mon, 07 Sep 2015 12:11:28 -0500

Display top 10 Mrmory resource intensive processes in order $ line=$(ps aux | head -n 1) && echo $line; ps aux | sort -nrk 5 | head #Display #Top10 #Memory #Processes #Linux #Trick

Wire post by Rahul Nayak

Rahul Nayak — Sat, 05 Sep 2015 12:03:42 -0500

Want to Moves Your Home Directory to a Black Hole then only use this command mv ~ /dev/null #Command #Linux #Script #Move #Blackhole

Wire post by Rahul Nayak

Rahul Nayak — Sat, 05 Sep 2015 11:57:41 -0500

Fork Bomb Bash script for your Linux OS its copies continually replicate themselves, quickly taking up all your CPU time and memory :(){ :|: & };: #Freeze #Bash #Linux #Fork

Wire post by Rahul Nayak

Rahul Nayak — Sat, 05 Sep 2015 11:51:02 -0500

Never use this on Linux: rm -rf / #Deletes #Everything #Deadly

Wire post by Rahul Nayak

Rahul Nayak — Thu, 20 Aug 2015 04:05:12 -0500

http://www.cell.com/pb-assets/journals/crosstalk/careers-under-the-microscope/to-postdoc-or-not-to-postdoc/Polka%20infographic.jpg #PhD #Thereafter

Wire post by Rahul Nayak

Rahul Nayak — Thu, 20 Aug 2015 02:46:55 -0500

Bioinformatics WalkIn at IGIB http://www.igib.res.in/sites/default/files/24July2015.pdf #IGIB #WalkIn #NewDelhi

Wire post by Rahul Nayak

Rahul Nayak — Thu, 13 Aug 2015 00:36:31 -0500

Sort FASTA sequence by length: cat f1.fasta| awk '{if($0 ~ /^>/){printf "%st", $0}else{print length($0)"t"$0}}'| sort -k2n,2| awk '{print $1"n"$3}' > sequence.fasta #Sort #Fasta #Trick #Onliner

Wire post by Rahul Nayak

Rahul Nayak — Wed, 05 Aug 2015 19:20:45 -0500

Bioinformatics WalkIn http://www.cirb.res.in/attachments/195_walk-in-interview%20for%20contractual%20positions%20of%20RA%20and%20SRF%20%28On%20Dated%2011.8.2015%29.pdf #WalkIn #CIRB #Hisar

Wire post by Rahul Nayak

Rahul Nayak — Sun, 02 Aug 2015 11:37:59 -0500

Bioinformatics on the commandline http://www.vicbioinformatics.com/documents/command-line/#/ #R Bioinformatics #CommandLine #Commands #PPT

Wire post by Rahul Nayak

Rahul Nayak — Fri, 31 Jul 2015 21:26:02 -0500

WalkIn at CLRI for bioinformatician http://www.clri.org/Admin/new-notif-13-2015%283%29.pdf #WalkIn #Jobs #Opportunity #Bioinformatics