File::Path->make_path is used to make a path, so you should define your $path before. If you try:
use File::Path 'make_path';
$path = '/';
File::Path->make_path($path);
chdir $path or die "Cannot chdir: $!";
it will work and it does for me
To get the path you can do something like:
use File::Path 'make_path';
use Cwd;
$path = Cwd::getcwd;
File::Path->make_path($path);
chdir $path or die "Cannon chdir: $!";
print $path. "\n":
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