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Re^3: How to loop over two lines, alter a value in the current line and save it to the previous line?

by 1nickt (Canon)
on Jan 07, 2016 at 12:43 UTC ( [id://1152178]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl
use strict;
...
baz 3
qux 4
  2. or download this
            prev   current
input:  nul 0  foo 1
...

input:  baz 6  qux 4
output: qux 10 qux 10

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