How to count the occurance of letters in fasta file?
I received a new genome to annotated. I need your help to quickly count the occurance of all the letters in fasta file.Tags: Fasta, Count, Letters, ATGC, N, Others, Script
2962 days ago
Quick way to calculate length of multiple fasta file!!
I am using this perl code right nowadays.#!/usr/bin/perl use warnings; use strict;open(FASTA, "<", seq.fa) or die("Can't open\n"); my %singleLineSequences; my $sequence_id; while(){ my $line = $_; chomp($line); if ($line =~ m/^>(\S+)/){ $sequence_id = $1; $s...Tags: Fasta, Size, Length, NGS, Sequence
2863 days ago
How to extract sequence from a multifasta file?
Extract "Seq2" from the list below >Seq1GTGCACTAAGAAAAATAAAATTTGTTCTTTTAAGATAATCATTTCCTGGACGAATATCAATAGCAATAGAATAAGTCCAATCAAATGATTGCCGTGATGAACGAACTTGTAATTGTTGATAACTAGAACCATGCTGTAAACAAAATTTTGATGACCATTGTGGTCGACCTTCTTGTTGACGATGTAAACCATTTCCAACTCGCATAACACATGTATTATTACGCTGAGCATTATCGAAAGAAAGAAGAAGT...Tags: Bioinformatics, Fasta, Script
2633 days ago