That's a long way around the bush just to avoid using a backslash in the command.

c:\dev>type arg.pl
#!/usr/bin/perl

use 5.010;
use warnings;
use strict;

my $i = 0;
say $i++ . ":$_" for ($0, @ARGV);
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The resulting output:

c:\dev>perl arg.pl "abc \" xyz" bob
0:arg.pl
1:abc " xyz
2:bob
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