I have a multiple sequence file as
>abc|d017961
sequence1......
>cdf|rhtdm9
sequence2......
>ijm|smthr12
sequence3......
>abc|d011wejr
sequence4......
>stg|eethwe77
sequence5......
I want to edit the file and want the result file as
>abc_ABC__d017961
sequence1......
>cdf_CDF__rhtdm9
sequence2......
>ijm_IJM__smthr12
sequence3......
>abc_ABC__d011wejr
sequence4......
>stg_STG__eethwe77
sequence5......