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Comment:
hmmm... copy&paste 
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$ perl -wle 'print(( "1_000" > 0 )*1)' Argument "1_000" isn't numeric in numeric gt (>) at -e line 1. 1 $ perl -wle 'print(( "1_000" == 1000 )*1)' Argument "1_000" isn't numeric in numeric gteq (>==) at -e line 1. 0 $ perl -wle 'print(( "1_000" == 1 )*1)' Argument "1_000" isn't numeric in numeric gteq (>==) at -e line 1. 1 |
As the last both commands show will Perl just ignore everything after the underscore, which can lead to unexpected results when comparing numbers. That's the bad news.
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