How to rename headers of sequences in large fasta file

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3.5 years ago

lukhanyomakhabane ▴ 30

Hello guys, can you please help me. I want to rename headers of different sequences in large FASTA file. I want to rename each individual sequence with different name, is there any easy script that can perform such purpose? PLzzz help, I am new into this field of bioinformatics.

sequence • 2.5k views

ADD COMMENT • link updated 3.5 years ago by swbarnes2 14k • written 3.5 years ago by lukhanyomakhabane ▴ 30

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I'm very sorry. but this is a pretty easy thing to do in any scripting language, and you aren't going to be able to get far in this field unless you know enough programming to do simple custom one-off tasks like this in some language.

ADD REPLY • link 3.5 years ago by swbarnes2 14k

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See a recent thread: how to change header of fasta file and the answer in it. Sounds like you just need a different name? Change >ASV to get any other prefix you want.

ADD REPLY • link 3.5 years ago by GenoMax 141k

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You can use sed too.

Try searching for a few tasks done by sed, and you will learn how to make it work for this task :)

If you provide an example of sample input and sample output, we can help you better.

ADD REPLY • link 3.5 years ago by Fatima ▴ 1000

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