Numerical literal "010" is 8 decimal. 

>perl -wle"$x = 010; print $x; print $x == 10 ?1:0"
8
0

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String literal "'010'" is 10 decimal when treated as a number. 

>perl -wle"$x = '010'; print $x; print $x == 10 ?1:0"
010
1

[download]

In reply to Re: numbers with leading zeros by ikegami
in thread numbers with leading zeros by thunderbird

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