You should be able to use a combination of File::Spec and a regex to dynamically determine what the seperation character is - provided that the regex contains all possible seperation characters.

use strict;
use warnings;

use File::Spec::Functions qw(:ALL);

use feature 'say';

my $testpath = catdir('foo','bar');
#say $testpath;
my $sepchar;
($sepchar) = ($testpath =~ m/(\\|\/)/);
say $sepchar;

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Not sure that this is any better than using $^O to determine the seperation character, but it one possible method using a core module. In either case, you still need to know the valid seperation characters for OSes that you intend to support. I guess the only advantage of the code above over using $^O is that you don't need to know the values of $^O for each OS.

In reply to Re^3: Perl appending \ or / based on windows or linux by dasgar
in thread Perl appending \ or / based on windows or linux by sravs448

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