This isn't perl specific, but I think it's helpful to know that many Windows APIs (including several Microsoft ones) do accept forward slashes as well.

Try 

    perl -e "print join '  ', glob 'C:/Windows/sys*'"

[download]
and enjoy :-)

Although this does not solve your original issue, perhaps it helps alleviate the problem at hand?

In reply to backslashes sometimes unnecessary by soonix
in thread Single Quotes - how to avoid any escape processing? by temporal

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