Re-naming some sequences header within the fasta file
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7.3 years ago
seta ★ 1.7k

Dear all,

I got a large fasta file with two types of header, the header name for some sequences is contig and for some of them is cx_gx_ix. I want to rename all headers named contig to another name say c_g_i. Please help me how I should do it?

Assembly sequence • 1.9k views
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Thanks friend

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sed 's/>.*/>c_g_i/g' filename.fasta
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Try this

sed -i 's/^>contig/>c_g_i/g' file.fasta
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