The Flag characters can appear in any order and combination.
-
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Left-justifies the result, pads on the right with blanks. If not given, it right-justifies the result, pads on the left with zeros or blanks.
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+
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Signed conversion results always begin with a plus (+) or minus (-) sign.
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blank
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If value is nonnegative, the output begins with a blank instead of a plus; negative values still begin with a minus.
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Note. Plus (+) takes precedence over blank () if both are given
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