syntax problem

[Mostafa]

my($iwperl) = ($^O ne "MSWin32") ? "" : "$iwhome/iw-perl/bin/iwperl ";

here what does thia $^O means ?

and then how "?" is related to this statement?

 

[Gunnar Hjalmarsson]

my($iwperl) = ($^O ne "MSWin32") ? "" : "$iwhome/iw-perl/bin/iwperl ";

here what does thia $^O means ?

Can be looked up in

perldoc perlvar

and then how "?" is related to this statement?

See the "conditional operator" in

perldoc perlop

 

[Jürgen Exner]

my($iwperl) = ($^O ne "MSWin32") ? "" : "$iwhome/iw-perl/bin/iwperl ";

here what does thia $^O means ?

See "perldoc perlvar":
$^O The name of the operating system under which this copy of
Perl...

and then how "?" is related to this statement?

See "perldoc perlop", section "Conditional Operator"

jue