C:\Perl64\bin>Hello_world_test.pl
Hello, world!
C:\xampp\perl\bin\perl.exe

##</code><code>##

#!c:/perl64/bin/perl.exe
print "Hello, world!\n";
print "$^X\n";

##</code><code>##

'Hello_world_test_1.pl' is not recognized as an internal or external command operable program or batch file.