print STDERR `"echo hello"`;

##</code><code>##

hello

##</code><code>##

C:\>"echo hello"

##</code><code>##

'"echo hello"' is not recognized as an internal or external command, operable program or batch file.

##</code><code>##

print STDERR `"My Echo.pl"`;
print STDERR `"My Echo (v1).pl"`;

##</code><code>##

echo
'My' is not recognized as an internal or external command, operable program or batch file.

##</code><code>##

C:\>cmd/c "My Echo.pl"
echo

C:\>cmd/c "My Echo (v1).pl"
'My' is not recognized as an internal or external command,
operable program or batch file.