pernod,
Notice kamesh3183 said the command prompt and didn't indicate if it was in the same directory. Win32 aside, see the difference:

$ cat /tmp/foo.pl
#!/usr/bin/perl
use strict;
use warnings;
use FindBin;
use Cwd;
print "FindBin: $FindBin::Bin\n";
print "Cwd:     ", cwd(), "\n";

$ ./tmp/foo.pl
FindBin: /tmp
Cwd:     /
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