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Re^6: How to convert an @ARGV to form based input?

by taint (Chaplain)
on Aug 21, 2012 at 08:18 UTC ( #988637=note: print w/ replies, xml ) Need Help??


in reply to Re^5: How to convert an @ARGV to form based input?
in thread How to convert an @ARGV to form based input?

Yes, I agree. :)
Just tried this:

#!/usr/bin/perl -w use strict; use Net::DNS; my $dns = new Net::DNS::Resolver; my $domain; if($domain ne "") { my $mx = $dns->query( $domain, 'MX' ); print "content-type:text/html; charset=utf-8\n\n"; print "$domain:\n\n"; foreach my $rr ($mx->answer) { print "<br />", $rr->exchange, ' [<b>', $rr->preference, "</b> +]\n"; } } else { print "content-type:text/html; charset=utf-8\n\n"; print "<form action=\"dnsdig.cgi\" method=\"post\"> <input name=\"domain\" type=\"text\" value=\"\" /> <input type=\"submit\" value=\"Get MX\" /> </form>"; }
But again, fail:
Use of uninitialized value $domain in string ne at dnsdig.cgi line 9. Use of uninitialized value $domain in string ne at dnsdig.cgi line 9., + referer: ...
Now I'll use your newest recommendation (which I know will work), but doesn't provide the empty form field I'm looking for -- but I'll do it anyway. :)
--Chris
#!/usr/bin/perl -Tw
use perl::always;
my $perl_version = "5.12.4";
print $perl_version;


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Re^7: How to convert an @ARGV to form based input?
by taint (Chaplain) on Aug 21, 2012 at 08:28 UTC
    Well, as you might expect, the output returned:
    google.com: alt3.aspmx.l.google.com [40 +] alt4.aspmx.l.google.com [50 +] aspmx.l.google.com [10 +] alt2.aspmx.l.google.com [30 +] alt1.aspmx.l.google.com [20 +]
    Now, if I could only figure out how to return the form field...
    changing eq "" to ne "" didn't return form fields either. :(
    Thanks again for taking the time to respond.
    --Chris
    #!/usr/bin/perl -Tw
    use perl::always;
    my $perl_version = "5.12.4";
    print $perl_version;

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