Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [shell]

The tag has no usage guidance.

3
votes
1answer
43 views

Script Giving error at paste command

I wrote script for pasting rsids on CADD output. Here is script. ...
1
vote
3answers
131 views

Replace lowercase characters with -

I have an output from vcfutils.pl vcf2fq with specified minimal depth, and it means that nucleotides with not enough depth are lowercase. I would like to change them to gaps. I could do it in higher ...
2
votes
1answer
60 views

How do I filter a GFF file by gene type?

I have a file with following information: ...
2
votes
5answers
2k views

Remove/delete sequences by ID from multifasta

I have a fasta file like this: >Id1 ATCCTT >Id2 ATTTTCCC >Id3 TTTCCCCAAAA >Id4 CCCTTTAAA I want to delete sequences that have the following IDs. <...
8
votes
1answer
111 views

Using a Bash Script to search TaxIDs against NCBI's Taxonomy yields “400 Bad Request” error?

I've been searching TaxIDs against NCBI's Taxonomy DB to get taxonomic lineages for species. I have successfully done this for 1,000's of TaxIDs that were returned to me by Blast+ blasts in a CSV. (...
11
votes
4answers
280 views

How do I efficiently subset a very large line-based file?

This has come up repeatedly recently: I have a very large text file (in the order of several GiB) and I need to perform line-based subsetting for around 10,000 lines. There exist solutions for ...
8
votes
5answers
434 views

Using shells other than bash

As someone who's beginning to delve into bioinformatics, I'm noticing that like biology there are industry standards here, similar to Illumina in genomics and bowtie for alignment, many people use ...