use strict;
use File::Spec;


my $str = " /home/madam  ~/madam"; 
my @strarray = split(" ",$str); 
    
for (@strarray){ 

if ( -d $_){ 
   print "path present : $_\n"; 
} 
else { 
print "path not present : $_\n";
} 
}

##</code><code>##

the output is :
path present : /home/madam
path not present : ~/madam