Yes, or you can substitute something for what may be nothing, as in s/\n*\z/\n/.
--
A math joke: r = | |csc(θ)|+|sec(θ)|-||csc(θ)|-|sec(θ)|| |

In reply to Re^3: what is the purpose of Tie::File by ysth
in thread what is the purpose of Tie::File by Lotus1

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