At 14:59 Uhr +0900 12.07.2001, Nobumi Iyanaga wrote:
>Hello,
>
>I am writing some scripts for cross-platform use. How can I determine the OS on
>which a script is running? If it is a Mac, I will use ":" as directory separator; if
>it is a Windows, I will use "\\", and if it is a Unix, I will use "/".
>
>Thank you in advance!
>
>Nobumi Iyanaga
>Tokyo,
>Japan
It's possible to do a
if ($^O eq 'MacOS') {
...
} elsif ($^O eq 'MSWin32' || $^O eq 'cygwin' ) {
...
} else {
...
}
but you'd better don't do that. It's always better to use File::Spec, when you need to
specify directory or file pathes on different platforms. Take a look at File::Spec,
File::Spec::Mac, File::Spec::Win32, File::Spec::Unix for details. However, be aware of
(even with File::Spec): A relative path on MacOS should have a leading ':', while
that's not true on the other two platforms, MacOS has the concept of volumes, Unix has
not, the equivalent of ../../dir on Unix is :::dir, the equivalent of ./dir is :dir
etc. etc.
Best regards,
--Thomas
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