Using CGI environment variables, write a program that logs the addresses (obtained with the REMOTE_ADDR CGI envi- ronment variable) that request information from the Web server.
What will be an ideal response?
```
1 #!perl
2 # Exercise 29.11 Solution
3 # Program to save remote addresses to a text file.
4 use CGI qw( :standard );
5
6 print header, start_html( "Saving Remote Address..." );
7
8 $address = $ENV{REMOTE_ADDR};
9
10 # Write data to a text file
11 open( FILE, ">>addresses.txt" );
12 print FILE "$address
";
13 close FILE;
14
15 print "Your address, $address, has been recorded.";
16 print end_html;
```
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
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