I wonder how the $1 =~ tr/\n// in your solution doesn't die with "modification of a readonly value attempted"?

Have a peek at this: 

local $, = ", ";
local $\ = "\n";

for (1..2) {
   print map { ++$_ } 0..4;
}

[download]
1, 2, 3, 4, 5
2, 3, 4, 5, 6

[download]

In reply to Re^2: Changing quoted strings spanning more than one line (modifying constants) by ikegami
in thread Changing quoted strings spanning more than one line by eyepopslikeamosquito

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