Just to make sure you didn't miss the point. If you use $f= !1 then 0+$f does not cause a warning. So, if you want $f to stay the empty string, you can also use:     $f ||= !1; if you don't have control over how $f is initially set. Then 0+ and sprintf "%d", etc. will all work without giving a warning.

        - tye

In reply to (tye)Re2: forcing numeric context by tye
in thread forcing numeric context by John M. Dlugosz

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