What comes after ends up outside the -n loop. 
$ perl -MO=Deparse -ne'f()'
LINE: while (defined($_ = <ARGV>)) {
    f();
}
-e syntax OK

$ perl -MO=Deparse -ne'f() }{ g()'
LINE: while (defined($_ = <ARGV>)) {
    f();
}
{
    g();
}
-e syntax OK

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In reply to Re^3: one line for combining line by ikegami
in thread one line for combining line by xiaoyafeng

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