avoid critic exception by doing it right

[plicease]

No description provided.

[Grinnz]

Can be inlined like: (my $x = $_) =~ s/(\s)/\\$1/g;

[plicease]

Can be inlined like: (my $x = $_) =~ s/(\s)/\\$1/g;

True! I guess I find the three line version more readable, but your version is a common idiom.