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I first posted this problem on the Cygwin forum as it seems to unique to that OS. However, I was advised to post it here. I am trying to use the perl module Net::Nslookup but it does not work (it is almost too simple to program wrong), particularly for doing reverse lookups. Here is my test program:
#!/usr/bin/perl -w
use strict;
use Net::Nslookup;
my $name=nslookup(host=>"70.158.194.7",type=>"PTR");
print($name."\n");
The following is the error that I get:
Use of uninitialized value $name in concatenation (.) or string at ./test.pl line 7.
Initially my /etc/hosts file was a link the the Windows host file. That was loaded with values for 127.0.0.1 by SpyBot S&D for some reason. I then deleted the link and created a new /etc/hosts with the single line:
127.0.0.1 localhost
It is apparent that the look up is not working however 'nslookup' from the command line seems to work fine. As an aside, I also tried Net::DNS and Net::IP which also failed. That is what makes me suspect something is wrong with Cygwin.
Thanks for any help.
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