use sprintf instead of printf and push the resulting strings to an array for later use:

my @fragments;
push @lines, sprintf "Percent\t";

for (...) {
   ...
   push @fragments, sprintf ...;
}

push @lines, join '', @fragments;

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DWIM is Perl's answer to Gödel

In reply to Re: print to data by GrandFather
in thread print to data by Yoda_Oz

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