I would like to add a tag to all my fasta files

Question

[pavelasquezv]

Hi all,

Please, I would like to add a tag to all my fasta files.

head my_trypsins.fasta

>k141_39975_1 # 2 # 1138 # -1 # 
RPAQGAPGAHTPSGSFGPPPAPPAPVTAGESGAPQRRRTWVPVVSAAAAAALLASVGTA
>k141_8001_9 # 6812 # 8068 # 1 # 
MRRYVLPYLWPVITGVLIALLILPGLPNLLSNPFQSPASQDPTPAVVTVPAVVEPSPNRP
>k141_7139_56 # 56772 # 58046 # -1 # 
MRRYVLPYLWPVITGVLVAVLVLFALPEQLSNPFRDSEPQTPAPAISPAPTISTAPAVVA 

I would like something like this:

head my_trypsins.fasta

>Saboya 1-k141_39975_1 # 2 # 1138 # -1 # 
RPAQGAPGAHTPSGSFGPPPAPPAPVTAGESGAPQRRRTWVPVVSAAAAAALLASVGTA
>Saboya 1-k141_8001_9 # 6812 # 8068 # 1 # 
MRRYVLPYLWPVITGVLIALLILPGLPNLLSNPFQSPASQDPTPAVVTVPAVVEPSPNRP
>Saboya 1-k141_7139_56 # 56772 # 58046 # -1 # 
MRRYVLPYLWPVITGVLVAVLVLFALPEQLSNPFRDSEPQTPAPAISPAPTISTAPAVVA 

Many thanks!

All the best

Answer 1

[rpolicastro]

sed -i 's/^>/>Saboya 1-/' my_trypsins.fasta

[pavelasquezv]

Thanks my friend!