If I understand correctly, it is even more convoluted than that: cmd.exe does perform some substitutions, so there really is no way to get the exact command line, even though Windows provides a "command tail" instead of an argument vector. The Windows build of perl does nothing special here — the C runtime library startup code parses the command tail and builds an argument vector that perl then packages into @ARGV.

In reply to Re^3: (Windows) verbatim command line arguments inside Perl script by jcb
in thread (Windows) verbatim command line arguments inside Perl script by LanX

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