So whatt you want to do is:

  • Loop over the input ,
  • split each line on '@',
  • built a tree of nested hashes with arrays as leaves
  • like push @{ hash{instreg}{d1} }, 'd1'

    ???

    UPDATED: So what's your code so far and where are you stuck?

    - Ron

    In reply to Re: creating the hierarchy pattern from the input file by The Perlman
    in thread creating the hierarchy pattern from the input file by pruthvik

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