Re: Checking string emptiness

There are a few other ways too...

sub isEmpty
{
  return defined $_[0] ? !length($_[0]) : 1;
}
[download]

sub isEmpty
{
  defined $_[0] or return 1;
  return !($_[0] =~ tr|||c);
}
[download]

sub isEmpty
{
  return !(defined $_[0] && $_[0] =~ m/./);
}
[download]

Comment on Re: Checking string emptiness Select or Download Code

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Re^2: Checking string emptiness by GrandFather (Saint) on Apr 06, 2025 at 21:25 UTC
Why try to obfuscate it? Just use `if (length $string) {` as suggested by jwkrahn? Optimising for fewest key strokes only makes sense transmitting to Pluto or beyond	[reply] [d/l]
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