cperl-lineup is the correct function, but you have to use it carefully. The mark must be at the character that you wish to line up (hit C-space while on the first "="). Then go to the end of the region and execute cperl-lineup (C-M-| by default I believe).

Good Day,
    Dean

In reply to Re: Emacs cperl-mode: how to line up middles of rows? by duelafn
in thread Emacs cperl-mode: how to line up middles of rows? by Roscoe

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