idx_0.htm

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  <a name="$&quot;-variable">
  <dt>$&quot; variable: <a href="../ch04_04.htm#INDEX-317">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$;-variable">
  <dt>$; variable: <a href="../ch04_04.htm#INDEX-319">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$--variable">
  <dt>$/ variable: <a href="../ch04_04.htm#INDEX-309">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$~-variable">
  <dt>$~ variable: <a href="../ch04_04.htm#INDEX-423">4.4.6. Filehandle Special Variables</a></dt>
  
  
  <a name="$_-$ARG-variable">
  <dt>$_ ($ARG) variable: <a href="../ch04_04.htm#INDEX-303">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$0-variable">
  <dt>$0 variable: <a href="../ch04_04.htm#INDEX-352">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$|-variable">
  <dt>$| variable: <a href="../ch04_04.htm#INDEX-415">4.4.6. Filehandle Special Variables</a></dt>
  
  
  <a name="$^T-variable">
  <dt>$^T variable: <a href="../ch04_04.htm#INDEX-371">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$^W-variable">
  <dt>$^W variable: <a href="../ch04_04.htm#INDEX-373">4.4.1. Global Special Variables</a></dt>
  
  
  <a name="$^X-variable">
  <dt>$^X variable: <a href="../ch04_04.htm#INDEX-375">4.4.1. Global Special Variables</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name=".-dot">
<dt>. (dot)</dt><dd><dl>
  
  <a name="concatenation-operator">
  <dt>concatenation operator: <a href="../ch04_05.htm#INDEX-590">4.5.11.4. String operator</a></dt>
  
  
  <a name="Perl-debugger-command">
  <dt>Perl debugger command: <a href="../ch06_02.htm#INDEX-1118">6.2. Debugger Commands</a></dt>
  
  
  <a name="regular-expression-metacharacter">
  <dt>regular expression metacharacter: <a href="../ch04_06.htm#INDEX-619">4.6.2. Regular Expression Syntax</a></dt>
  
  
  <a name="..-range-operator">
  <dt>.. (range) operator: <a href="../ch04_05.htm#INDEX-577">4.5.11.1. Range operator</a></dt>
  
  
  <a name="...-range-operator">
  <dt>... (range) operator: <a href="../ch04_05.htm#INDEX-580">4.5.11.1. Range operator</a></dt>
  
  
  <a name=".=-assignment-operator">
  <dt>.= (assignment) operator: <a href="../ch04_05.htm#INDEX-519">4.5.6. Assignment Operators</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="=-equal-sign">
<dt>= (equal sign)</dt><dd><dl>
  
  <a name="==-equal-to-operator">
  <dt>== (equal to) operator: <a href="../ch04_05.htm#INDEX-480">4.5.4.2. Equality operators</a></dt>
  
  
  <a name="assignment-operator">
  <dt>assignment operator: <a href="../ch04_02.htm#INDEX-237">4.2.5. Variables</a></dt><dd><dl>
    <dt><a href="../ch04_05.htm#INDEX-497">4.5.6. Assignment Operators</a></dt>
  </dl></dd>
  
  
  <a name="for-embedded-documentation-pod">
  <dt>for embedded documentation (pod): <a href="../ch04_01.htm#INDEX-217">4.1. Program Structure</a></dt>
  
  
  <a name="in-hash-name-value-pairs">
  <dt>in hash name/value pairs: <a href="../ch04_02.htm#INDEX-250">4.2.5.2. Hashes</a></dt>
  
  
  <a name="for-pod-commands">
  <dt>for pod commands: <a href="../ch04_13.htm#INDEX-821">4.13. Pod</a></dt>
  
  
  <a name="=&gt;-operator-defining-key-value-pairs">
  <dt>=&gt; operator, defining key/value pairs: <a href="../ch04_02.htm#INDEX-253">4.2.5.2. Hashes</a></dt><dd><dl>
    <dt><a href="../ch04_05.htm#INDEX-588">4.5.11.3. Comma operator</a></dt>
  </dl></dd>
  
</dl></dd>


<!-- ========================== -->


<a name="--forward-slash">
<dt>/ (forward slash): <a href="../ch02_04.htm#INDEX-98">2.4.4. Installing Modules with the CPAN Module</a></dt>


<!-- ========================== -->


<a name="#-hash-mark">
<dt># (hash mark)</dt><dd><dl>
  
  <a name="#!-shebang-line">
  <dt>#! (shebang) line: <a href="../ch03_01.htm#INDEX-141">3. The Perl Executable</a></dt>
  
  
  <a name="for-comments">
  <dt>for comments: <a href="../ch04_01.htm#INDEX-212">4.1. Program Structure</a></dt>
  
  
  <a name="format-fieldholder">
  <dt>format fieldholder: <a href="../ch04_12.htm#INDEX-807">4.12. Formats</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="--hyphen">
<dt>- (hyphen)</dt><dd><dl>
  
  <a name="arithmetic-negation-operator">
  <dt>arithmetic negation operator: <a href="../ch04_05.htm#INDEX-439">4.5.2. Unary Operators</a></dt>
  
  
  <a name="grid-geometry-manager-placeholder">
  <dt>grid geometry manager placeholder: <a href="../ch21_02.htm#INDEX-2721">21.2.2. The grid Geometry Manager</a></dt>
  
  
  <a name="Perl-debugger-command">
  <dt>Perl debugger command: <a href="../ch06_02.htm#INDEX-1116">6.2. Debugger Commands</a></dt>
  
  
  <a name="in-[...]-construct">
  <dt>in [...] construct: <a href="../ch04_06.htm#INDEX-658">4.6.4. Character Classes</a></dt>
  
  
  <a name="-&gt;-arrow-operator">
  <dt>-&gt; (arrow) operator: <a href="../ch04_05.htm#INDEX-434">4.5.1. The Arrow Operator</a></dt><dd><dl>
    
    <a name="dereferencing-with">
    <dt>dereferencing with: <a href="../ch04_08.htm#INDEX-762">4.8.2.1. Arrow dereferencing</a></dt>
    
  </dl></dd>
  
  
  <a name="---autodecrement-operator">
  <dt>-- (autodecrement) operator: <a href="../ch04_05.htm#INDEX-494">4.5.5. Autoincrement and Autodecrement</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="-parentheses">
<dt>( ) (parentheses)</dt><dd><dl>
  
  <a name="around-function-arguments">
  <dt>around function arguments: <a href="../ch05_01.htm#INDEX-865">5. Function Reference</a></dt>
  
  
  <a name="operator-precedence-and">
  <dt>operator precedence and: <a href="../ch04_05.htm#INDEX-430">4.5. Operators</a></dt>
  
  
  <a name="regular-expression-metacharacter">
  <dt>regular expression metacharacter: <a href="../ch04_06.htm#INDEX-633">4.6.2. Regular Expression Syntax</a></dt>
  
  
  <a name="?...-extended-regular-expression-syntax">
  <dt>(?...) extended regular expression syntax: <a href="../ch04_06.htm#INDEX-698">4.6.8. Extended Regular Expressions</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="%-percent-sign">
<dt>% (percent sign)</dt><dd><dl>
  
  <a name="%SIG">
  <dt>%SIG: <a href="../ch04_10.htm#INDEX-787">4.10. Signals</a></dt>
  
  
  <a name="dereferencing-with">
  <dt>dereferencing with: <a href="../ch04_08.htm#INDEX-757">4.8.2. Dereferencing</a></dt>
  
  
  <a name="modulus-operator">
  <dt>modulus operator: <a href="../ch04_05.htm#INDEX-457">4.5.3. Arithmetic Operators</a></dt>
  
  
  <a name="prototype-symbol-hash">
  <dt>prototype symbol (hash): <a href="../ch04_07.htm#INDEX-733">4.7.5. Prototypes</a></dt>
  
  
  <a name="signifying-variable-type">
  <dt>signifying variable type: <a href="../ch04_02.htm#INDEX-248">4.2.5.2. Hashes</a></dt>
  
  
  <a name="%=-assignment-operator">
  <dt>%= (assignment) operator: <a href="../ch04_05.htm#INDEX-521">4.5.6. Assignment Operators</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="+-plus">
<dt>+ (plus)</dt><dd><dl>
  
  <a name="1">
  <dt>1: <a href="../ch04_05.htm#INDEX-491">4.5.5. Autoincrement and Autodecrement</a></dt>
  
  
  <a name="regular-expression-metacharacter">
  <dt>regular expression metacharacter: <a href="../ch04_06.htm#INDEX-628">4.6.2. Regular Expression Syntax</a></dt>
  
  
  <a name="unary-operator">
  <dt>unary operator: <a href="../ch04_05.htm#INDEX-443">4.5.2. Unary Operators</a></dt>
  
  
  <a name="+=-assignment-operator">
  <dt>+= (assignment) operator: <a href="../ch04_05.htm#INDEX-500">4.5.6. Assignment Operators</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="?-question-mark">
<dt>? (question mark)</dt><dd><dl>
  
  <a name="regular-expression-metacharacter">
  <dt>regular expression metacharacter: <a href="../ch04_06.htm#INDEX-630">4.6.2. Regular Expression Syntax</a></dt>
  
  
  <a name="?-:-conditional-operator">
  <dt>?: (conditional) operator: <a href="../ch04_05.htm#INDEX-583">4.5.11.2. Conditional operator</a></dt>
  
  
  <a name="?...?-pattern-match-operator">
  <dt>?...? pattern match operator: <a href="../ch04_06.htm#INDEX-610">4.6.1. Pattern-Matching Operators</a></dt>
  
  
  <a name="?...?-Perl-debugger-command">
  <dt>?...? Perl debugger command: <a href="../ch06_02.htm#INDEX-1122">6.2. Debugger Commands</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name=";-semicolon">
<dt>; (semicolon)</dt><dd><dl>
  
  <a name="ending-Perl-statements">
  <dt>ending Perl statements: <a href="../ch04_01.htm#INDEX-209">4.1. Program Structure</a></dt>
  
  
  <a name="in-prototype-declarations">
  <dt>in prototype declarations: <a href="../ch04_07.htm#INDEX-743">4.7.5. Prototypes</a></dt>
  
</dl></dd>


<!-- ========================== -->



<!-- ========================== -->


<a name="--slash">
<dt>/ (slash)</dt><dd><dl>
  
  <a name="division-operator">
  <dt>division operator: <a href="../ch04_05.htm#INDEX-454">4.5.3. Arithmetic Operators</a></dt>
  
  
  <a name="encoding-in-URLs">
  <dt>encoding in URLs: <a href="../ch09_02.htm#INDEX-1628">9.2. URL Encoding</a></dt>
  
  
  <a name="-=-assignment-operator">
  <dt>/= (assignment) operator: <a href="../ch04_05.htm#INDEX-514">4.5.6. Assignment Operators</a></dt>
  
  
  <a name="-...--pattern-match-operator">
  <dt>/.../ pattern match operator: <a href="../ch04_06.htm#INDEX-598">4.6. Regular Expressions</a></dt>
  
  
  <a name="-...--Perl-debugger-command">
  <dt>/.../ Perl debugger command: <a href="../ch06_02.htm#INDEX-1120">6.2. Debugger Commands</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="~-tilde">
<dt>~ (tilde)</dt><dd><dl>
  
  <a name="bitwise-negation-operator">
  <dt>bitwise negation operator: <a href="../ch04_05.htm#INDEX-441">4.5.2. Unary Operators</a></dt>
  
  
  <a name="suppressing-output-whitespace">
  <dt>suppressing output whitespace: <a href="../ch04_12.htm#INDEX-811">4.12. Formats</a></dt>
  
  
  <a name="~~-to-print-strings-in-fields">
  <dt>~~ to print strings in fields: <a href="../ch04_12.htm#INDEX-814">4.12. Formats</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="_-underscore">
<dt>_ (underscore)</dt><dd><dl>
  
  <a name="_-_END_-_-constant">
  <dt>_ _END_ _ constant: <a href="../ch04_04.htm#INDEX-395">4.4.4. Global Special Constants</a></dt>
  
  
  <a name="_-_END_-_-marker">
  <dt>_ _END_ _ marker: <a href="../ch08_05.htm#INDEX-1282">8.5. AutoLoader</a></dt>
  
  
  <a name="_-_FILE_-_-constant">
  <dt>_ _FILE_ _ constant: <a href="../ch04_04.htm#INDEX-397">4.4.4. Global Special Constants</a></dt>
  
  
  <a name="filehandle">
  <dt>filehandle: <a href="../ch04_04.htm#INDEX-392">4.4.3. Global Special Filehandles</a></dt>
  
  
  <a name="improving-number-legibility">
  <dt>improving number legibility: <a href="../ch04_02.htm#INDEX-225">4.2.1. Numbers</a></dt>
  
  
  <a name="_-_LINE_-_-constant">
  <dt>_ _LINE_ _ constant: <a href="../ch04_04.htm#INDEX-399">4.4.4. Global Special Constants</a></dt>
  
  
  <a name="_-_PACKAGE_-_-constant">
  <dt>_ _PACKAGE_ _ constant: <a href="../ch04_04.htm#INDEX-401">4.4.4. Global Special Constants</a></dt>
  
</dl></dd>


<!-- ========================== -->


<a name="|-vertical-bar">
<dt>| (vertical bar)</dt><dd><dl>
  
  <a name="format-fieldholders">
  <dt>format fieldholders: <a href="../ch04_12.htm#INDEX-803">4.12. Formats</a></dt>
  
  
  <a name="OR-bitwise-operator">
  <dt>OR bitwise operator: <a href="../ch04_05.htm#INDEX-572">4.5.10. Bitwise Operators</a></dt>
  
  
  <a name="Perl-debugger-command">
  <dt>Perl debugger command: <a href="../ch06_02.htm#INDEX-1135">6.2. Debugger Commands</a></dt>
  
  
  <a name="regular-expression-metacharacter">
  <dt>regular expression metacharacter: <a href="../ch04_06.htm#INDEX-635">4.6.2. Regular Expression Syntax</a></dt>
  
  
  <a name="|=-assignment-operator">
  <dt>|= (assignment) operator: <a href="../ch04_05.htm#INDEX-515">4.5.6. Assignment Operators</a></dt>
  
  
  <a name="||-Perl-debugger-command">
  <dt>|| Perl debugger command: <a href="../ch06_02.htm#INDEX-1137">6.2. Debugger Commands</a></dt>
  
  
  <a name="||=-assignment-operator">
  <dt>||= (assignment) operator: <a href="../ch04_05.htm#INDEX-517">4.5.6. Assignment Operators</a></dt>
  
      </dl></dd>


<!-- ========================== -->













</dl>

<!-- ========================== -->


<H3>Numbers</H3>

<dl>
<a name="----038-octal-value-sequence">
<dt>038 (octal value) sequence: <a href="../ch04_06.htm#INDEX-646">4.6.3. Escaped Sequences</a></dt>


</dl>

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