use Cwd;
$BACK= getcwd();
open(LIST,"small.txt") or die "Cant open small.txt";
@arr= <LIST>;
for($i = 0; $i < @arr; $i++)
{
chomp($arr[$i]);
print "path read from file = $arr[$i]\n";
#it displays => ms_qu/the/path/written/in/file    (fine till here but 
+it shud go to this place when i use chdir)
chdir $arr[$i] or die "$1";
print "After chdir, cwd is = ";
system("pwd");
chdir($BACK);
print "Now im back to where i started";
system("pwd");
}