Posted here to ensure it comes to the OPs attention.

Replace the regex used by the pattern building code with 

    while $mask =~ m[([^ ]+)( +|$)]g;

[download]

That is, replace \S and \s with literal spaces as the ORing process can generate chr(9) and other characters that would be treated as whitespace and so create false columns.

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In reply to Re^2: Fixed Position Column Records by BrowserUk
in thread Fixed Position Column Records by daseme

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