Sometimes painstaking text modifications specially when one is dealing with large data could easily be solved using few lines of scripts of a programming language. In the following I'll issue an R function that could be used to add a text to the end of the sequence names of a multi/single fasta file. The lines of the fasta file that represent the sequence names start with '>' sign. you can also download the script from here .

addTextToFastaName<-function(fileIn, fileOut, addText){

# Read fasta file line by line into a vector

tmp=scan(fileIn, what='character')

# Replace each element of the vector that starts with '>', i.e.
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I am a Postdoc researcher at the Neuromuscular Disorders Research lab and Genetic Determinants of Osteoporosis Research lab, in University of Helsinki and Folkhälsan RC. I specialize in Bioinformatics. I am interested in Machine learning and multi-omics data analysis. My go-to programming language is R.
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