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In DOS/Batch,
if 08 lss 1 echo true
echoes “true”. The same applies to 09. Both 08 and 09 are less than 1.
However,
if 07 lss 1 echo true
does not echo anything. 01 to 07 are not less than 1.
Why? What is special about 08 and 09?
Typically, a leading
0indicates you’d like the number to be parsed in octal. I’d expect08or09to actually be an error condition; perhaps the batch language does not have a good mechanism to signify that the input was incorrect?