@array2 will be empty if there are no matches. A way to test this condition is: 
if (@array2) {
   # array2 is not empty
} else {
   # array2 is empty
}

[download]
Used in this way, @array2 returns its size. So, you can write tests like this: 
if (@array2 > 3) {
  # array2 has more than three elements
}

[download]
The first test is short-hand for if (@array2 != 0) { ....

In reply to Re: grep and arrays by pc88mxer
in thread grep and arrays by purple.mojo

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