Results for "Oneliner"
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Fancy Oneliner for Bioinformatics !!
This webpage lists some of the one-liners that we frequently use in metagenomic analyses. You can click on the following links to browse through different topics. You ca...2853 days ago
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- To remove all line ends (\n) from a Unix text file: sed ':a;N;$!ba;s/\n//g' filename.txt > newfilename_oneline.txt To get average for a column of numbers (here the...
2211 days ago
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Bio-Scripts
Bash oneliner to extract all ids from a multifasta file
#List of ids - one per line in allIds.txt $ awk 'BEGIN{while((getline0)l[">"$1]=1}/^>/{f=!l[$1]}f' seq.fa # You can play with this f=!l[$1 ] if wanted to extract or not extract the ids1532 days ago
Reformat the multifasta for sequence length !
#awk oneliner to reformat the multifasta sequences awk '!/^>/ {printf "%s", $0; n = "\n"} /^>/ {print n $0; n = ""}' file.fasta | fold -w 1001386 days ago
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Perl one-liner for bioinformatician !!!
With the emergence of NGS technologies, and sequencing data most of the bioinformaticians mung and wrangle around massive amounts of genomics text. There are several "standardized" file formats (FASTQ, SAM, VCF, etc.) and some tools for manipulating them (fastx toolkit, samtools, vcftools, etc.),...Tags: Bioinformatics, Computational Biology, Perl, NGS, Genome, Hacking, One-liner, Oneliner
3622 days ago
- To remove all line ends (\n) from a Unix text file: sed ':a;N;$!ba;s/\n//g' filename.txt > newfilename_oneline.txt To get average for a column of numbers (here the second column $2): awk '{ sum += $2; n++ } END { if (n > 0) print sum / n; }' To get sequence length for all sequences in a...
Tags: Bioinformatics, Oneliner
2211 days ago
Comments
- How about this oneliner ;) perl -ne 'chomp;if( />(.*)/){$head = $1; $i=0; next};@a=split("",$_); foreach(@a){$i++;if($_ eq "N" && $s ==0 ){print "$head\t$i"; $s =1}elsif($s==1 && $_ ne "N"){print "\t$i\n";$s=0}}' infile.fa
2684 days ago
Comment on "Perl one-liner for bioinformatician !!!"
Nice collection of Perl oneliner. Thank you for the useful list. You can also track other perl onliner posted on wire at http://bioinformaticsonline.com/thewire/tag/Oneliner3622 days ago
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