perl -p00 -le '$_.="\npara2 NEW STUFF" if /^para2/' filename

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perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re: one liner append line(s) to matched paragraph by shmem
in thread one liner append line(s) to matched paragraph by PeteInPDX

Title:
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