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Watch my `sed` wizardry

I tried to append together the previous and current lines, like this:

        I am a heading\n**************\n

Then something like this:

       :loop
       s/^\(.\)\(.*\)\n\(.\)\(.*\)\n/\2\n\4\n/
       t loop
       s/^\n\n//
       t equal
       s///
       t unequal

t is a test; if the last s/// was successful, it branches to the indicated label

labels are introduced by :

I wanted to amaze you with my awesome sed skills

Sorry, I totally couldn't get it to work.

Copyright © 2011 M. J. Dominus