$ perl -we \ > 'print((split//,"\nechle etn sJutaohrPr akr")\ > [map{splice @_,@_/$^F,$^W}(@_=$%..$^F*$=/5)])' Backslash found where operator expected at -e line 1, near ")\" (Missing operator before \?) syntax error at -e line 1, near ")\" Execution of -e aborted due to compilation errors.