Perl Cookbook, Second Edition

C

    extension modules, building 

    writing modules in 

-C command-line switch 

C header files, translating with h2ph 

cacheout( ) 

caching open filehandles 

calc_new_date( ) 

calc_new_date_time( ) 

calculating prime numbers 

caller( ) 

    names of subroutines 

can( ) 

can_read( ) 

capitalization

    case-insensitive hashes 

    converting case 

    honoring locale when matching 

    of titles and headlines 

Carp module 

carriage returns  [See line breaks whitespace]

cascading menu entries 

case sensitivity

    capitalizing titles and headlines 

    converting case 

    hashes 

    honoring locale when matching 

cbreak mode 

CDATA, XML 

ceil( ) 

CGI programming 

    chemiserie program 

    cookies 

    debugging raw HTTP exchange 

    fixing 500 server errors 

    form parameters  2nd 

    HTTP methods  2nd 

    improving efficiency of 

    migrating to mod_perl 

    multiscreen scripts 

    performance  [See also mod_perl][See also mod_perl]2nd 

    redirecting browsers 

    redirecting error messages 

    saving and mailing HTML forms 

    security and  2nd 

        executing user commands 

    shopping cart application, developing 

    sticky widgets 

    writing scripts 

CGI.pm module 

    creating sticky widgets 

    HTML helper functions 

    managing cookies 

    writing CGI scripts 

CGI::Carp module  2nd 

CGI::Cookie module 

    accessing values 

characters

    converting ASCII to and from HTML 

    converting between values 

    converting case 

    escaping 

    matching letters 

    parsing command-line arguments 

    processing individually 

    reversing 

    text color, changing 

charnames 

    charnames::viacode( ) 

    charnames::vianame( ) 

checkbutton menu entries 

chemiserie program 

chr( ) 

circular

    data structures 

    lists 

class attributes  [See class data]

class data 

    circular data structures 

class methods  2nd  3rd 

Class::Struct module 

classes 

    accessing overridden methods 

    determining subclass membership 

    generating methods with AUTOLOAD  2nd 

    generic 

    inheritance  2nd 

    as structs 

    superclasses 

cleaning up after modules 

clear command, clearing the screen 

clearerr( ) 

clients

    bidirectional 

    FTP 

    TCP 

    UDP, setting up 

close( )

    file descriptors 

    file locks 

    filehandles 

closedir( ) 

closures  2nd  3rd 

    as objects 

code handlers  [See handlers]

code points, Unicode 

code size, library 

colon (:)

    module names 

    package names 

color of text, changing 

color( ) 

columns

    arranging du command output 

    outputting text by 

    parsing data by 

    wrapping paragraphs by 

comma (,)

    in numbers 

    printing lists with 

comma-separated values  [See CSV]

command

    entry, menu items 

    interpreters 

command-line arguments, parsing 

comments

    pod documentation for modules 

    in regular expressions 

    XML 

commify( ) 

commify_series program 

commit( ) 

Common Log Format standard 

communicating between mod_perl and PHP 

compare( ) 

comparing

    contents of two files 

    filehandles 

    floating-point numbers 

        currency 

    keys of hashes 

complex numbers 

Comprehensive Perl Archive Network  [See CPAN]

compressing tabs 

confess( ) 

Config module 

configuration files

    Boolean connectives in patterns 

    reading 

Configure event, Tk 

connect( ), LDAP server 

constants 

constructors  2nd 

    accessing overridden methods 

    cloning parent objects 

continuation characters, reading data with 

converting

    ASCII to and from HTML 

    character case 

    characters and values 

    date and time to and from Epoch seconds 

    DBM files 

    degrees and radians 

    HTML tables into Perl data structures 

    HTML to ASCII 

    Microsoft files to Unicode 

    numbers 

        Roman numerals and 

    pod into other languages 

    shell wildcards for regular expression matching 

    strings

        case of 

        between characters and values 

        non-numeric 

cookie_jar( ) 

cookies

    accessing values with mod_perl 

    CGI 

    setting in mod_perl 

    web automation and 

copy constructors 

copy( ) 

copying

    data structures 

    directory trees 

    filehandles 

    files 

    parent objects 

    surface vs. deep copies 

cos( ) 

counting lines in files 

CPAN (Comprehensive Perl Archive Network) 

    building and installing modules from 

    registering as developer 

CPANPLUS module  2nd 

createElement( ) 

createTextNode( ) 

creating

    charts  2nd 

    magic variables 

    menus with Tk toolkit 

    processes 

    references to methods 

    robots for Web traversal 

    sticky widgets 

    temporary files 

credentials( ) 

crlf I/O layer  2nd  3rd 

croak( ) 

Crypt::SSLeay module 

CSV (comma-separated values)

    initializing arrays with 

    parsing 

    reading records from 

CSV files, saving results of SQL queries 

ctime field, inode structure 

Ctrl-C, catching 

curly braces ({}) 

    creating anonymous arrays and hashes 

currency, comparing floating-point numbers 

Curses module 

curses toolkit 

customizing

    Apache logging requests 

    warnings 

Cwd module