Index

encapsulation

File::Find module

advisory about breaking of, 43

printing sorted list of symbols for, 25 26

and packages, 25

usage of, 22

provision by packages, 27

filenames

END blocks, usage of, 34

converting module names to, 27

=end POD command, using, 71

maximum length of, 124

ENTER C macro

File::Spec module

using with implicitly freed memory, 196

coding around problems with, 124 125

using with subroutines, 198 199

purpose of, 123 124

equal sign (=)

filter option, result of adding to functionality 

appearance before POD commands, 67

of HTML::Template, 143

overloading, 55 56

find() function, role in File::Find module, 

error reporting, performing with packages, 

22 23

34 35

Fine Manuals, consulting, 64

estimate() function, documenting, 67

finite state machines, CGI programs as, 

eval, using with string argument, 23

257 258

events, depicting in UML diagrams, 258

FIRSTKEY() method, using with tied hashes, 

exception handling, 34 35

63

EXISTS() method, using with tied hashes, 62

flock() subroutine, advisory about, 31

%EXPORT_TAGS versus @EXPORT, 81

[follow] default answer in CPAN module, 

Exporter utility

selecting, 14 15

using with Counter.pm file generated 

FORCE option, using with Inline::C, 239

by h2xs program, 102

Free Software Foundation Web site, 2 3

using with functional interfaces, 79 81

FREETMPS C macro

using with packages, 32 33

using with implicitly freed memory, 196

exporting functions, purpose of, 22

using with subroutines, 198 199

extensibility, result of adding to 

freshmeat Web site, 163

HTML::Template, 143

FTP PUT option, uploading new module 

ExtUtils::MakeMaker module

distributions with, 136

generating license text with, 121

ftp.funet.fi CPAN server, role in network 

usage of, 105, 112, 118 119

topology, 4 5

Ezmlm, using with qmail, 142

functional interfaces

documenting subroutines in, 75 76

F

managing return values in, 78 79

naming subroutines in, 74 75

factoring, explanation of, 66

parameter passing in, 76 78

fallback overload key, using with auto 

using Exporter utility with, 79 81

generation, 55

using innerCaps with, 75

feeping creaturism, fighting, 142 144

using wantarray() built in with, 79

FETCH() method

functional modules, usage of, 31 35. See also

using with tied hashes, 61 62

module distributions, modules, 

using with tied scalar classes, 58

overloaded modules, portable 

fh key, used in hash example, 41

modules

file operators, using OO wrapper with, 38

file systems

case sensitivity of, 124

usage of, 123 124

27

277

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