index_U

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

U.S. Census Bureau
        zip code queries/retrievals 2nd 3rd
        zip code resources
U.S. Gazetteer Place (zip code database) 2nd 3rd
uc operator
unary operators
        named
UNC (Universal Naming Convention)
        pathnames
underscores
        numeric literals
Uniform Resource Locators [See protocols;URLs]
Unix
       awk tool
                replacement by Perl
        command prompt
        end of line
        file locking
        file permissions 2nd 3rd
                dbmopen
                implementing in Perl 2nd
        grep utility 2nd 3rd 4th
                Complete Listing for mygrep utility (Listing 10.1) 2nd 3rd
                Output for mygrep utility (Listing 10.2)
UNIX
        installing modules under 2nd 3rd 4th 5th 6th
Unix
        installing Perl
        man
        path to Perl interpreter
        pathnames
        Perl documentation
        Perl preinstalled
        Sams Teach Yourself Unix in 24 Hours
       sed tool
                replacement by Perl
       Web servers
                installing FTP-only CGI program access 2nd 3rd
                installing local CGI program access 2nd
unlink function
        removing files from directories 2nd
unmatched brackets
        program flow control
unshift function
unstructured data
        WidgetCo Bike Parts Company example 2nd
URI++* module (CPAN)
URLs (Uniform Resource Locators)
        host names
        port numbers
        protocols
        requested items
use directive
        modules 2nd
use strict
Usenet newsgroups
       archive
                Google
        CGI-specific questions
        flaming responses
        Frequently Asked Questions
        reading
       troubleshooting resources
                question procedure 2nd 3rd 4th 5th
user -defined functions [See subroutines]
Using Multiple FileInfo Objects at Once (Listing 18.8) 2nd 3rd 4th
Using the Bulk Order Function (Listing 19.12)
utilities
       grep
                getting directory listings 2nd 3rd 4th