What should I use for a Perl script's shebang line?

Question

Which of these is better or faster to use as the shebang line for a Perl script?

#! perl

#! perl.exe

#! fullpath/perl(/perl.exe)

#! partialpath/perl(/perl         


        

Answer 1

And, when using "#! perl", when it works on a particular system, what is the print() for showing the full path to perl.exe, that could be included into the Shebang Line ?

Well, if you're using the print statement you are already executing perl code, so...