I'm still not sure what you are trying to achieve, but sprintf can also eliminate leading zeroes. 
  DB<8> printf "%d","023"
23

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Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re^2: How to Switch off octal interpretation of literal ? by LanX
in thread How to Switch off octal interpretation of literal ? by gannett

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