tmpindex.xml

by Randal L. Schwartz and Tom Phoenix ISBN 0-596-00132-0 Third Edition, published July 2001. (See

<secondary>comparison operators
for</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-225" file="ch02_06.htm" sect="2.6.3. Comparison Operators">
<primary>comparison operators</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-226" file="ch02_06.htm" sect="2.6.3. Comparison Operators">
<primary>operators</primary>
<secondary>comparison</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-227" file="ch02_06.htm" sect="2.6.3. Comparison Operators">
<primary>string comparison operators</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-228" file="ch02_06.htm" sect="2.6.3. Comparison Operators">
<primary>strings</primary>
<secondary>operators
for</secondary>
<tertiary>comparison operators
for</tertiary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-229" file="ch02_07.htm" sect="2.7. The if Control Structure">
<primary>if control
structure</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-230" file="ch02_07.htm" sect="2.7. The if Control Structure">
<primary>else
keyword</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-231" file="ch02_07.htm" sect="2.7. The if Control Structure">
<primary>curly braces ({
})</primary>
<secondary>block, enclosing code</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-232" file="ch02_07.htm" sect="2.7. The if Control Structure">
<primary>code</primary>
<secondary>curly braces
enclosing</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-233" file="ch02_07.htm" sect="2.7. The if Control Structure">
<primary>block curly
braces</primary>
<see>curly braces, block</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-234" file="ch02_07.htm" sect="2.7.1. Boolean Values">
<primary>Boolean
values</primary>
<secondary>as handled by
Perl</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-235" file="ch02_07.htm" sect="2.7.1. Boolean Values">
<primary>negation (not) operator
(!)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-236" file="ch02_07.htm" sect="2.7.1. Boolean Values">
<primary>! negation
operator</primary>
<see>negation operator</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-237" file="ch02_07.htm" sect="2.7.1. Boolean Values">
<primary>not operator</primary>
<see>negation
operator</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-238" file="ch02_08.htm" sect="2.8. Getting User Input">
<primary>operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-239" file="ch02_08.htm" sect="2.8. Getting User Input">
<primary>line-input operators</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-240" file="ch02_08.htm" sect="2.8. Getting User Input">
<primary>line-input operators</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-241" file="ch02_08.htm" sect="2.8. Getting User Input">
<primary>standard
input</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-242" file="ch02_09.htm" sect="2.9. The chomp Operator">
<primary>chomp
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-243" file="ch02_09.htm" sect="2.9. The chomp Operator">
<primary>newlines</primary>
<secondary>trailing</secondary>
<tertiary>chomp
operator for removing</tertiary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-244" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>loops</primary>
<secondary>endless,
stopping</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-245" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>endless loop,
stopping</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-246" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>control
structures</primary>
<secondary>stopping endless loops created
by</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-247" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>while control
structure</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-248" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>code</primary>
<secondary>while control structure
for repeating blocks of</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-249" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>loops</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-250" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>curly braces ({
})</primary>
<secondary>block, enclosing code</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-251" file="ch02_10.htm" sect="2.10. The while Control Structure">
<primary>code</primary>
<secondary>curly braces
enclosing</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-252" file="ch02_11.htm" sect="2.11. The undef Value">
<primary>undef
value</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-253" file="ch02_11.htm" sect="2.11. The undef Value">
<primary>variables</primary>
<secondary>undef value
and</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-254" file="ch02_11.htm" sect="2.11. The undef Value">
<primary>string
accumulator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-255" file="ch02_12.htm" sect="2.12. The defined Function">
<primary>operator</primary>
<secondary>defined
function and</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-256" file="ch02_12.htm" sect="2.12. The defined Function">
<primary>defined
function</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-257" file="ch02_12.htm" sect="2.12. The defined Function">
<primary>undef
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-259" file="ch03_01.htm" sect="3. Lists and Arrays ">
<primary>lists</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-260" file="ch03_01.htm" sect="3. Lists and Arrays ">
<primary>arrays</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-261" file="ch03_01.htm" sect="3. Lists and Arrays ">
<primary>elements</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-262" file="ch03_01.htm" sect="3. Lists and Arrays ">
<primary>indexing
elements</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-263" file="ch03_01.htm" sect="3.1. Accessing Elements of an Array">
<primary>subscripts</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-264" file="ch03_01.htm" sect="3.1. Accessing Elements of an Array">
<primary>array elements</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-265" file="ch03_01.htm" sect="3.1. Accessing Elements of an Array">
<primary>elements</primary>
<secondary>of an
array</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-266" file="ch03_02.htm" sect="3.2. Special Array Indices">
<primary>array
indices</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-267" file="ch03_02.htm" sect="3.2. Special Array Indices">
<primary>negative array
indices</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-268" file="ch03_03.htm" sect="3.3. List Literals">
<primary>list
literals</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-269" file="ch03_03.htm" sect="3.3. List Literals">
<primary>.. range
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-270" file="ch03_03.htm" sect="3.3. List Literals">
<primary>range operator
(..)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-271" file="ch03_03.htm" sect="3.3.1. The qw Shortcut">
<primary>qw
shortcut</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-272" file="ch03_03.htm" sect="3.3.1. The qw Shortcut">
<primary>lists</primary>
<secondary>qw shortcut
for</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-273" file="ch03_03.htm" sect="3.3.1. The qw Shortcut">
<primary>whitespace</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-274" file="ch03_03.htm" sect="3.3.1. The qw Shortcut">
<primary>quoting</primary>
<secondary>qw shortcut form
of</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-275" file="ch03_03.htm" sect="3.3.1. The qw Shortcut">
<primary>delimiters</primary>
<secondary>in
lists</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-276" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>values</primary>
<secondary>list,
assigning to variables</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-277" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>variables</primary>
<secondary>assigning
list values to</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-278" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>assigning</primary>
<secondary>lists</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-279" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>@
at-sign</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-280" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>at-sign(@)
indicating arrays</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-281" file="ch03_04.htm" sect="3.4. List Assignment">
<primary>references</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-282" file="ch03_04.htm" sect="3.4.1. The pop and push Operators">
<primary>pop
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-283" file="ch03_04.htm" sect="3.4.1. The pop and push Operators">
<primary>elements</primary>
<secondary>pop and push
operators for</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-284" file="ch03_04.htm" sect="3.4.1. The pop and push Operators">
<primary>parentheses</primary>
<secondary>optional use
of</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-285" file="ch03_04.htm" sect="3.4.1. The pop and push Operators">
<primary>push
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-286" file="ch03_04.htm" sect="3.4.2. The shift and unshift Operators">
<primary>unshift
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-287" file="ch03_04.htm" sect="3.4.2. The shift and unshift Operators">
<primary>shift
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-291" file="ch03_05.htm" sect="3.5. Interpolating Arrays into Strings">
<primary>double-quoted string
literals</primary>
<secondary>arrays, interpolating
into</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-292" file="ch03_05.htm" sect="3.5. Interpolating Arrays into Strings">
<primary>$&quot;
variable</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-293" file="ch03_05.htm" sect="3.5. Interpolating Arrays into Strings">
<primary>email addresses,
compile time errors and</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-294" file="ch03_06.htm" sect="3.6. The foreach Control Structure">
<primary>foreach control
structure</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-295" file="ch03_07.htm" sect="3.7. Perl's Favorite Default: $_">
<primary>default
variable ($_)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-296" file="ch03_07.htm" sect="3.7. Perl's Favorite Default: $_">
<primary>$_ default
variable</primary>
<see>default variable</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-297" file="ch03_07.htm" sect="3.7.1. The reverse Operator">
<primary>reverse
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-298" file="ch03_07.htm" sect="3.7.2. The sort Operator">
<primary>sorting</primary>
<secondary>sort