Awk is a programming language that is specifically designed for quickly manipulating space delimited data. Although you can achieve all its functionality with Perl, awk is simpler in many practical cases.

Why awk? You can replace a pipeline of 'stuff | grep | sed | cut...' with a single call to awk. For a simple script, most of the timelag is in loading these apps into memory, and it's much faster to do it all with one. This is ideal for something like an openbox pipe menu where you want to generate something on the fly. You can use awk to make a neat one-liner for some quick job in the terminal, or build an awk section into a shell script. You can find a lot of online tutorials, but here I will only show a few examples which cover most of bioinformatician daily uses of awk.

choose rows where column 3 is larger than column 5:

awk '$3>$5' input.txt > output.txt

extract column 2,4,5:

awk '{print $2,$4,$5}' input.txt > output.txt

awk 'BEGIN{OFS="\t"}{print $2,$4,$5}' input.txt

show rows between 20th and 80th:

awk 'NR>=20&&NR<=80' input.txt > output.txt

calculate the average of column 2:

awk '{x+=$2}END{print x/NR}' input.txt

regex (egrep):

awk '/^test[0-9]+/' input.txt

calculate the sum of column 2 and 3 and put it at the end of a row or replace the first column:

awk '{print $0,$2+$3}' input.txt

awk '{$1=$2+$3;print}' input.txt

join two files on column 1:

awk 'BEGIN{while((getline<"file1.txt")>0)l[$1]=$0}$1 in l{print $0"\t"l[$1]}' file2.txt > output.txt

count number of occurrence of column 2 (uniq -c):

awk '{l[$2]++}END{for (x in l) print x,l[x]}' input.txt

apply "uniq" on column 2, only printing the first occurrence (uniq):

awk '!($2 in l){print;l[$2]=1}' input.txt

count different words (wc):

awk '{for(i=1;i!=NF;++i)c[$i]++}END{for (x in c) print x,c[x]}' input.txt

deal with simple CSV:

awk -F, '{print $1,$2}'

substitution (sed is simpler in this case):

awk '{sub(/test/, "no", $0);print}' input.txt

OK now here's where to read this stuff properly explained. roll

Two thorough tutorials:

http://www.gnu.org/software/gawk/manual/gawk.html

http://www.grymoire.com/Unix/Awk.html

A famous list of useful one-liners - though they're short, many are quite tricky:

http://www.pement.org/awk/awk1line.txt

And some nice explanations of those one-liners. After reading this you'll have a pretty good grasp!

http://www.catonmat.net/blog/awk-one-li … -part-one/

http://www.catonmat.net/blog/ten-awk-ti … -pitfalls/

#rasalsi #rasa In our Industrial program you will get Knowledge on RNA Seq, CHIP Seq,

Batch Starts From 18^th November 2019

#hurryup #registernow #enquirenow The primary goal of the industrial training program is to provide students with necessary skills making with employable. RASA LSI trains students with the enhanced skills required for them to excel in jobs in biotechnology, pharmaceuticals, BioIT and related industry sectors. At Rasa you will  learn from industry leaders how to apply these skills in life science & have a command over software developing process  by using various methodologies. For Registration visit us on: https://www.rasalsi.com/index.php/front-page/industrial-training/

(Indian Council of Medical Research )
Jehangir Merwanji Street, Parel, Mumbai 400 012

Advertisement No. 1/NIRRH/Ph.D. 2013
Admission to Ph.D. Programme – 2013

National Institute for Research in Reproductive Health, Mumbai, a premier institute of the Indian Council of Medical Research, conducts basic, clinical and operational research in different areas of reproductive health. The thrust areas of research include: Fertility Regulation, Infertility and Reproductive Disorders, Reproductive Tract Infections, Maternal and Child Health, Osteoporosis, Genetic Disorders, Stem Cell Biology, Structural Biology, Bioinformatics and Reproductive Toxicology. Institute is affiliated to the University of Mumbai for the award of Ph.D. degree in Applied Biology, Biochemistry, Life Sciences and Biotechnology. The institute invites applications from young and bright students for enrollment in Ph.D. programme.

More at http://www.nirrh.res.in/announcements/phd_program_2013.htm

An Institution of National Importance established by Dept. of
Biotechnology, Govt. of India Under the auspices of UNESCO

Advertisement No. RCB/IBDC/01/2020/Recruitment/HR

Recruitment For Contractual Positions Under The Project
Indian Biological Data Centre (IBDC) Phase-1

Regional Centre for Biotechnology (RCB) invites online applications from suitably qualified, dynamic, result-oriented and dedicated candidates for the following positions under the project Indian Biological Data Centre (BIDC) Phase-1 on contract basis:

Industry: Biotechnology

Location: Faridabad (Haryana, India)

Project Head - 1

Senior Scientist (Bioinformatics/ IT) - 1

For other details, visit: www.rcb.res.in. Last date for receipt of online application is 18th July 2020.

Registrar

Regional Centre for Biotechnology
Faridabad-Gurgaon Expressway,
Faridabad - 121001

To cite BioNumbers please refer to: Milo et al. Nucl. Acids Res. (2010) 38: D750-D753. When using a specific entry from the database it is highly recommended that you also specify the BioNumbers 6 digit ID, e.g. "BNID 100986, Milo et al 2010". 

Address of the bookmark: http://bionumbers.hms.harvard.edu/

More at https://www.jobs.dundee.ac.uk/fe/tpl_uod01.asp?s=4A515F4E5A565B1A&jobid=104342,2382988671&key=147934117&c=99413415238921&pagestamp=sesxbbuyifokdsfygf

Last date: 30th August 2020

Informal enquiries about this position may be made to Prof. Geoff Barton (gjbarton@dundee.ac.uk) or Dr Jim Procter (jprocter@dundee.ac.uk). To find out more about Jalview research software engineering team please visit www.jalview.org and www.compbio.dundee.ac.uk

A qualified candidate should hold a Ph.D. in a relevant field including
Agronomy, Statistics, Bioinformatics, Plant Breeding, Plant Genetics or
Quantitative Genetics. For the position in Biometry and Bioinformatics, the
applicants capable of teaching fundamental statistics/bioinformatics
courses or with experience in crop science are preferable; for Plant
Breeding and Genetics, the applicants capable of teaching fundamental plant
breeding courses, with experience in crop breeding, or training in
quantitative genetics are preferred.

The application package should include two letters of reference and five
printed copies of the following documents (1) curriculum vitae, (2)
publication list, (3) undergraduate and graduate transcripts if applying
for the Assistant Professorship, (4) a photocopy of the Ph.D. diploma, (5)
teaching plan and course outline or syllabus (6) research proposal, (7) a
cover letter indicating the rank to apply, and one representative original
research article which was published by the applicant being the 1st or
corresponding author in an SCI peer-reviewed journal within 5 years (after
August 1, 2016); a copy of doctoral dissertation can be the representative
article if applying for the Assistant Professorship; (8) reprints of the
selected publications published within 7 years (after August 1, 2014).

The application package should mail to the Chair, Dr. Li-yu Daisy Liu
(lyliu@ntu.edu.tw), in the Department of Agronomy, National Taiwan
University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan, before
December 15, 2020 for full consideration.

The impact of non tree-like evolution such as horizontal gene transfers and hybridization on species biology
Evolution and adaptation of animals in the absence of sexual reproduction and the underlying mechanisms
Genomic signatures of adaptation to a parasitic life-style

More at https://edanchin.org/