grep (or map) in a void context is generally considered bad. Better to store the array in a hash, especially if you access it more than once:
my %file;
@routers{@ARRAY} = undef;
@interfaces{@anotherarray} = undef
if (exists $routers{$zero_arg} and not exists $interfaces{$sec_arg)) {
 #Do stuff
}

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In reply to Re: HOw do I compare two strings against to arrays respectively by runrig
in thread How do I compare two strings against two arrays respectively? by dallok

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