$ perl -we '$/ = "\n"; @s = ("1\r\n", "2\n\r", "3\n", "4\r"); chomp @s; print @s' | xxd
0000000: 310d 320a 0d33 340d                      1.2..34.


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,