Re^4: How to capture the "isn't numeric" warning?

Hmm... All right, so it looks like looks_like_number() is better. Usually when I read this forum or ask something, I always learn something and then something extra on top of that. In this case, I learned how to capture warnings, how to turn off warnings. (And don't laugh, my assumption was that you can't just create a block { ... } without having a "for" or "sub" or an "if" keyword in front of it. In other programming languages, you get an error if you just create a block with no keyword in front of it. In perl, this is allowed, and it is something that I just discovered. Lol)

Thank you for your informative answers!!!

Comment on Re^4: How to capture the "isn't numeric" warning?

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Re^5: How to capture the "isn't numeric" warning? by tobyink (Canon) on Jun 16, 2019 at 11:28 UTC
Even if bare blocks weren't allowed in Perl, you could just use a `do { ... }` block, or a `for` loop that only has one iteration. toby döt ink	[reply] [d/l] [select]
Re^6: How to capture the "isn't numeric" warning? by LanX (Saint) on Jun 16, 2019 at 12:43 UTC
> for loop that only has one iteration. Side note: Actually that's pretty much how bare blocks are implemented perlsyn#Basic-BLOCKs > A BLOCK by itself (labeled or not) is semantically equivalent to a loop that executes once. Thus you can use any of the loop control statements in it to leave or restart the block Cheers Rolf _{(addicted to the Perl Programming Language :) Wikisyntax for the Monastery FootballPerl is like chess, only without the dice}	[reply] [d/l]
Re^7: How to capture the "isn't numeric" warning? by choroba (Cardinal) on Jun 16, 2019 at 12:45 UTC
With the difference that some forms of the `for` loop also set `$_` for you... `map{substr$_->[0],$_->[1]\|\|0,1}[\\|\|{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^ARGV,3]`	[reply] [d/l] [select]
Re^8: How to capture the "isn't numeric" warning? by LanX (Saint) on Jun 16, 2019 at 12:52 UTC
Re^5: How to capture the "isn't numeric" warning? by LanX (Saint) on Jun 15, 2019 at 16:34 UTC
your welcome! :) > I always learn something and then something extra on top of that That's why the monastery is so great! Cheers Rolf _{(addicted to the Perl Programming Language :) Wikisyntax for the Monastery FootballPerl is like chess, only without the dice}	[reply]