Index SYMBOL

[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]

" (double quote) 
    escaping 
# (pound sign), with printf( ) 
$ (dollar sign)
    $! variable 
    $#ARRAY variable 
    $$ variable  2nd  3rd 
    $& variable  2nd 
    $* variable (deprecated) 
    $+ variable 
    $. variable  2nd 
    $/ variable 
    $; variable 
    $? variable  2nd  3rd  4th 
    $@ variable  2nd 
    $^F variable 
    $^I variable 
    $^O variable  2nd 
    $^W variable 
    $_ variable  2nd  3rd 
        accidental clobbering 
        outlawing unauthorized use 
    $` variable 
    $| variable  2nd 
    $0 variable  2nd 
    $1, $2, . . . (backreferences)  2nd 
        finding doubled words 
    $VERSION variable (use pragma) 
    hashes 
% (percent sign)
    %SIG hash 
    hashes 
& (ampersand), && operator 
> (right angle bracket), file-access modes  2nd 
< (left angle bracket)
    <&= and <& open modes 
    <=> numerical comparison operator 
    <FH> line input operator 
    file-access modes  2nd 
<> (angle brackets) 
    globbing 
    line input operator 
    reading strings from binary files 
' (single quote) 
    escaping 
( ) (parentheses) 
    autouse pragma 
    prototyping functions 
    substitution 
* (asterisk), typeglobs 
+ (plus sign), file-access modes 
, (comma)
    in numbers 
    printing lists with 
- (hyphen)
    -> (arrow) operator  2nd 
    -> (infix) notation 
    -0 command-line option 
    -a command-line option, writing filters 
    -e command-line option, writing filters 
    -i command-line option
        modifying files with 
        writing filters 
    -I command-line switch 
    -n command-line option, writing filters 
    -p command-line option
        modifying files with 
        writing filters 
    -t command-line option 
- (minus sign), modifiers and 
-C command-line switch 
. (dot)
    . . and . . . range operators 
    period in numbers 
/ (forward slash)
    /e substitution modifier  2nd 
    /g pattern-matching modifier 
        finding Nth matches 
        where last pattern ended 
    /i pattern-matching modifier 
    /m pattern-matching modifier 
        multiple lines 
    /o pattern-matching modifier 
    /s pattern-matching modifier 
        multiple lines 
    /x pattern modifier 
        comments in regular expressions 
    root directory 
: (colon)
    module names 
    package names 
= (equals sign)
    => operator 
    =~ operator 
    =begin pod directive 
    =end pod directive 
@ (at sign)
    @_ array 
    @EXPORT array (use pragma) 
    @EXPORT_OK array (use pragma) 
    @EXPORT_TAGS array (use pragma) 
    @INC array 
    references to arrays 
    splice( ) 
[] (square brackets) 
    creating anonymous arrays and hashes 
\ (backslash)
    \1, \2, . . . (backreferences) 
    \a for terminal bell 
    \E string metacharacter 
    \G anchor 
    \L string escape 
    \l string escape 
    \U string escape 
    \u string escape 
    \X metacharacter 
    ` string metacharacter 
    creating arrays 
    creating references 
    escaping characters 
    references to arrays 
    references to scalars 
_ (underscore), file stat cache 
` (backtick)
    executing commands without shell escapes 
    expanding 
    gathering program output 
    running another program 
{} (curly braces) 
    creating anonymous arrays and hashes 
| (vertical bar)
    || operator
        vs. or operator 
        separating multiple comparisons 
    ||= (assignment) operator 
~ (tilde), in filenames, expanding 
-0 command-line option 
$0 variable 



Perl Cookbook
Perl Cookbook, Second Edition
ISBN: 0596003137
EAN: 2147483647
Year: 2003
Pages: 501

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