tmpindex.xml

By Tom Christiansen and Nathan Torkington ISBN 1-56592-243-3 First Edition, published August 1998

<?xml version="1.0"?>
<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-1" file="ch00_02.htm" sect="0.2. Platform Notes">
<primary>Perl</primary>
<secondary>release
notes</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-2" file="ch00_03.htm" sect="0.3. Other Books ">
<primary>Perl</primary>
<secondary>references
on</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-3" file="ch00_03.htm" sect="0.3. Other Books ">
<primary>help</primary>
<secondary>Perl
references</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-6" file="ch00_04.htm" sect="0.4.1. Programming Conventions ">
<primary>conventions</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-7" file="ch00_04.htm" sect="0.4.1. Programming Conventions ">
<primary>Perl</primary>
<secondary>programming
conventions</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-8" file="ch00_04.htm" sect="0.4.3. Documentation Conventions">
<primary>help</primary>
<secondary>documentation
conventions</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-9" file="ch00_04.htm" sect="0.4.3. Documentation Conventions">
<primary>documentation
conventions</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-10" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>strings</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-11" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>text</primary>
<see>strings</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-12" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>scalars</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-13" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>variables</primary>
<secondary>strings</secondary>
<see>strings</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-14" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>definedness</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-15" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>undefined (undef) value</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-16" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>values</primary>
<secondary>definedness</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-17" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>truth (Boolean)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-18" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>Boolean truth</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-19" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>false
strings</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-20" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>empty
string (&quot;&quot;)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-21" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>single quotes (')</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-22" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>double quotes</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-23" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>quotes, single (')</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-24" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>quotes, double (&quot;)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-25" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>q// and qq// operators</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-26" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>here documents</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-27" file="ch01_01.htm" sect="1.0. Introduction ">
<primary>Unicode</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-27" file="ch01_02.htm" sect="1.1.1. Problem&#10;&#10;">
<primary>substrings</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-28" file="ch01_02.htm" sect="1.1.1. Problem&#10;&#10;">
<primary>strings</primary>
<secondary>accessing substrings</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-28" file="ch01_02.htm" sect="1.1.2. Solution ">
<primary>substr( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-29" file="ch01_02.htm" sect="1.1.2. Solution ">
<primary>unpack( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-30" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary>lvaluable
functions</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-31" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary sortas="equal@tilde, s///, m//, tr/// with">=~ operator, s///, m//,
and tr/// with</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-32" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary>s///
operator</primary>
<secondary sortas="@equal@tilde">~ operator
with</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-33" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary sortas="m// operator">m// operator, ~ operator with</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-34" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary>tr/// operator</primary>
<secondary sortas="@equal@tilde">~ operator with</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-35" file="ch01_02.htm" sect="1.1.3. Discussion ">
<primary>columns</primary>
<secondary>parsing data
by</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-40" file="ch01_03.htm" sect="1.2.1. Problem &#10;&#10;&#10;">
<primary>strings</primary>
<secondary>default values for</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-41" file="ch01_03.htm" sect="1.2.1. Problem &#10;&#10;&#10;">
<primary>default string values</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-42" file="ch01_03.htm" sect="1.2.1. Problem &#10;&#10;&#10;">
<primary>values</primary>
<seealso sortas="zzz">numbers; strings; variables</seealso>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-39" file="ch01_03.htm" sect="1.2.2. Solution ">
<primary>assignment (||=)
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-40" file="ch01_03.htm" sect="1.2.2. Solution ">
<primary sortas="vertical@vertical@equal">||= (assignment)
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-41" file="ch01_03.htm" sect="1.2.2. Solution ">
<primary sortas="vertical@vertical">||
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-42" file="ch01_03.htm" sect="1.2.2. Solution ">
<primary>defined
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-43" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary>definedness</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-44" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary>values</primary>
<secondary>definedness</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-45" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary sortas="ampersand@ampersand">&amp;&amp;
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-47" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary sortas="vertical@vertical@equal">||= (assignment)
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-48" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary>assignment (||=)
operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-49" file="ch01_03.htm" sect="1.2.3. Discussion ">
<primary>or
operator vs. || operator</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-56" file="ch01_04.htm" sect="1.3.1. Problem&#10;&#10;&#10;">
<primary>scalars</primary>
<secondary>exchanging values between</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-57" file="ch01_04.htm" sect="1.3.1. Problem&#10;&#10;&#10;">
<primary>values</primary>
<secondary>exchanging between scalar variables</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-58" file="ch01_04.htm" sect="1.3.1. Problem&#10;&#10;&#10;">
<primary>variables</primary>
<secondary>scalars</secondary>
<see>scalars</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-52" file="ch01_04.htm" sect="1.3.2. Solution ">
<primary>list
assignment</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-53" file="ch01_04.htm" sect="1.3.2. Solution ">
<primary>assignment,
list</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-54" file="ch01_04.htm" sect="1.3.3. Discussion ">
<primary>clobbering values</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-66" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>values</primary>
<secondary>converting with ASCII characters</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-67" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>strings</primary>
<secondary>converting ASCII and values</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-68" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>characters</primary>
<secondary>converting ASCII with values</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-69" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>converting</primary>
<secondary>ASCII characters and values</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-70" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>numbers</primary>
<secondary>converting with ASCII characters</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-59" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>numbers</primary>
<seealso sortas="zzz">values</seealso>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-60" file="ch01_05.htm" sect="1.4.1. Problem &#10;&#10;&#10;&#10;&#10;">
<primary>ASCII
characters</primary>
<see>characters</see>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-61" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>chr( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-62" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>ord( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-63" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary sortas="c format">%c
format</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-64" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>printf( )</primary>
<secondary sortas="c format">%c format</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-65" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>sprintf( )</primary>
<secondary sortas="c format">%c format</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-66" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>pack( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-67" file="ch01_05.htm" sect="1.4.3. Discussion ">
<primary>unpack( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-85" file="ch01_06.htm" sect="1.5.1. Problem &#10;&#10;">
<primary>characters</primary>
<secondary>processing individually</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-86" file="ch01_06.htm" sect="1.5.1. Problem &#10;&#10;">
<primary>strings</primary>
<secondary>processing characters individually</secondary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-73" file="ch01_06.htm" sect="1.5.2. Solution ">
<primary>split( )</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-74" file="ch01_06.htm" sect="1.5.3. Discussion ">
<primary>slowcat program (example)</primary>
</indexterm>

<indexterm xmlns:xt="http://www.jclark.com/xt" id="INDEX-91" file="ch01_07.htm" sect="1.6.1. Problem &#10;&#10;&#10;&#10;">
<primary>strings</primary>
<secondary>reversing elements of</secondary>