I'd probably say 
$s =~ s!"([^"]*)"!local $_ = $1; s/\s+/ /g if /\n/; "\"$_\""!seg;

[download]

which is basically your solution golfed down a bit (but still not too obfuscated).

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

--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In reply to Re: Changing quoted strings spanning more than one line by shmem
in thread Changing quoted strings spanning more than one line by eyepopslikeamosquito

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