in reply to Re^2: Probably an easy map question
in thread Probably an easy map question

Yes, it will read the entire input before doing any work. That's true of the OP too, and the other map-based solutions I see posted.

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Re^4: Probably an easy map question
by pobocks (Chaplain) on Jan 15, 2009 at 04:57 UTC

    Thanks! I suspected that was so, but I wasn't sure.

    for(split(" ","tsuJ rehtonA lreP rekcaH")){print reverse . " "}print "\b.\n";