Index I

[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]

-I command-line switch 
-i command-line option
    modifying files with 
    writing filters 
/i pattern-matching modifier 
I/O layers  2nd  3rd 
    bytes 
    crlf  2nd  3rd 
    raw  2nd 
    reading and writing Unicode from filehandles 
    scalars 
    setting default 
    stdio  2nd 
    unix  2nd 
    utf8 
I/O operations
    access modes 
    buffering  2nd  3rd  4th 
    controlling for other programs 
    flushing output 
    non-blocking 
    preprocessing input 
    random-access I/O 
    reading and writing to other programs 
idempotency 
If-Modified-Since header 
Image::Magick module 
images
    adding text to 
    thumbnailing 
imaginary numbers 
implementing sparse arrays 
importing from modules  2nd 
INADDR_ANY  2nd 
@INC array 
indents  [See whitespace]
indices
    fixed-length records program 
    of hash elements 
indirect notation 
indirect object notation 
inet_ntoa( )  2nd 
infix (->) notation 
inheritance  2nd 
initializers  [See constructors]
initializing
    arrays and lists 
    hashes 
    modules 
Inline::C module 
inner( ) 
inode structure 
input
    comma-separated, parsing 
    controlling for other programs  2nd 
    editing 
    executing shell commands from 
    expanding variables in 
    Expect-controlled programs and 
    extracting variable-length fields 
    from HTML forms [input
        HTML forms  [See CGI programming]
    line input operator  2nd 
    managing multiple streams 
    parsing command-line arguments 
    preprocessing 
    random-access I/O 
    reading
        from keyboard 
        from other programs 
        passwords 
        records with pattern separators 
        STDERR from programs 
    waiting, checking for 
installing
    modules from CPAN 
    signal handlers 
instance data
    circular data structures 
    managing 
instance methods  2nd 
int( ) 
integers  [See also numbers][See also numbers]
    integer truncation 
interactivity, testing for 
internal redirection 
internationalization
    localization, first week of the year 
    Unicode 
Internet
    domain sockets 
    protocols 
Internet services 
    accessing LDAP server 
    DNS lookups 
    expn and vrfy programs 
    FTP client 
    mail  [See email]
    pinging machines 
    remote procedure calls 
    simulating telnet connection 
    SOAP client 
    SOAP server 
    Usenet news 
    XML-RPC client 
    XML-RPC server 
intersections on lists  2nd 
inverting hashes 
invocant 
IO::File module 
IO::Handle module  2nd  3rd  4th 
IO::Multiplex module 
IO::Pty module 
IO::Select module  2nd  3rd 
IO::Socket module 
    closing socket after forking 
    TCP, communicating over 
    UDP clients/servers 
IO::Socket::INET class 
IO::Socket::SSL module 
IO::Socket::UNIX module 
IO::Stty module 
IO::Tee module 
ioctl( )  2nd 
    return values 
IP addresses
    determining your own 
    DNS lookups 
    expn and vrfy programs 
    identifying socket ends 
    multihomed servers 
    packed, converting to ASCII strings 
IPC::Open2 module 
IPC::Open3 module 
IPC::Shareable module 
is_numeric( ) 
is_safe( ) 
isa( ) 
iterations  [See arrays lists]
iterator variables