index-1.htm

prrl 5 programs codes in the book

<UL>

<LI><A HREF="ch4.htm#ExampleUsingthecmpOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleUsingthecmpOperator">

Example: Using the cmp Operator</A>

</UL>

<LI><A HREF="ch4.htm#TheTernaryOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#TheTernaryOperator">

The Ternary Operator</A>

<UL>

<LI><A HREF="ch4.htm#ExampleUsingtheTernaryOperatortoAssignValues" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleUsingtheTernaryOperatortoAssignValues">

Example: Using the Ternary Operator to Assign Values</A>

</UL>

<LI><A HREF="ch4.htm#TheRangeOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#TheRangeOperator">

The Range Operator (..)</A>

<UL>

<LI><A HREF="ch4.htm#ExampleUsingtheRangeOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleUsingtheRangeOperator">

Example: Using the Range Operator</A>

</UL>

<LI><A HREF="ch4.htm#TheStringOperatorsandx" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#TheStringOperatorsandx">

The String Operators (. and x)</A>

<UL>

<LI><A HREF="ch4.htm#ExampleUsingtheCoNCatenationOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleUsingtheCoNCatenationOperator">

Example: Using the CoNCatenation Operator</A>

<LI><A HREF="ch4.htm#ExampleUsingtheRepetitionOperator" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleUsingtheRepetitionOperator">

Example: Using the Repetition Operator</A>

</UL>

<LI><A HREF="ch4.htm#TheAssignmentOperators" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#TheAssignmentOperators">

The Assignment Operators</A>

<UL>

<LI><A HREF="ch4.htm#ExampleAssignmentUsingArraySlices" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleAssignmentUsingArraySlices">

Example: Assignment Using Array Slices</A>

<LI><A HREF="ch4.htm#ExampleAssigninganArraytoScalarVariables" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleAssigninganArraytoScalarVariables">

Example: Assigning an Array to Scalar       Variables</A>

</UL>

<LI><A HREF="ch4.htm#OrderofPrecedeNCe" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#OrderofPrecedeNCe">

Order of PrecedeNCe</A>

<UL>

<LI><A HREF="ch4.htm#ExampleOrderofPrecedeNCe" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ExampleOrderofPrecedeNCe">

Example: Order of PrecedeNCe</A>

</UL>

<LI><A HREF="ch4.htm#Summary" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#Summary">

Summary</A>

<LI><A HREF="ch4.htm#ReviewQuestions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ReviewQuestions">

Review Questions</A>

<LI><A HREF="ch4.htm#ReviewExercises" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch4.htm#ReviewExercises">

Review Exercises</A>

</UL>



<H2><I><FONT SIZE=5 COLOR=#FF0000>Chapter </FONT></I><FONT SIZE=5 COLOR=#FF0000>5

</FONT><FONT SIZE=5>&nbsp;&nbsp;FuNCtions</FONT></H2>

<UL>

<UL>

<LI><A HREF="ch5.htm#ExampleUsingtheParameterArray" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleUsingtheParameterArray">

Example: Using the Parameter Array (@_)</A>

<LI><A HREF="ch5.htm#ExamplePassingParametersbyRefereNCe" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExamplePassingParametersbyRefereNCe">

Example: Passing Parameters by RefereNCe</A>

<LI><A HREF="ch5.htm#ExampleScopeofVariables" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleScopeofVariables">

Example: Scope of Variables</A>

<LI><A HREF="ch5.htm#ExampleUsingaListasaFuNCtionParameter" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleUsingaListasaFuNCtionParameter">

Example: Using a List as a FuNCtion Parameter</A>

<LI><A HREF="ch5.htm#ExampleNestingFuNCtionCalls" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleNestingFuNCtionCalls">

Example: Nesting FuNCtion Calls</A>

<LI><A HREF="ch5.htm#ExampleUsingaPrivateFuNCtion" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleUsingaPrivateFuNCtion">

Example: Using a Private FuNCtion</A>

</UL>

<LI><A HREF="ch5.htm#StringFuNCtions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#StringFuNCtions">

String FuNCtions</A>

<UL>

<LI><A HREF="ch5.htm#ExampleChangingaStringsValue" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleChangingaStringsValue">

Example: Changing a String's Value</A>

<LI><A HREF="ch5.htm#ExampleSearchingaString" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleSearchingaString">

Example: Searching a String</A>

</UL>

<LI><A HREF="ch5.htm#ArrayFuNCtions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ArrayFuNCtions">

Array FuNCtions</A>

<UL>

<LI><A HREF="ch5.htm#ExamplePrintinganAssociativeArray" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExamplePrintinganAssociativeArray">

Example: Printing an Associative Array</A>

<LI><A HREF="ch5.htm#ExampleCheckingtheExisteNCeofanElement" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ExampleCheckingtheExisteNCeofanElement">

Example: Checking the ExisteNCe of an Element</A>

</UL>

<LI><A HREF="ch5.htm#Summary" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#Summary">

Summary</A>

<LI><A HREF="ch5.htm#ReviewQuestions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ReviewQuestions">

Review Questions</A>

<LI><A HREF="ch5.htm#ReviewExercises" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch5.htm#ReviewExercises">

Review Exercises</A>

</UL>



<H2><I><FONT SIZE=5 COLOR=#FF0000>Chapter </FONT></I><FONT SIZE=5 COLOR=#FF0000>6

</FONT><FONT SIZE=5>&nbsp;&nbsp;Statements</FONT></H2>

<UL>

<LI><A HREF="ch6.htm#UnderstandingExpressions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#UnderstandingExpressions">

Understanding Expressions</A>

<LI><A HREF="ch6.htm#StatementBlocks" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#StatementBlocks">

Statement Blocks</A>

<LI><A HREF="ch6.htm#StatementBlocksandLocalVariables" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#StatementBlocksandLocalVariables">

Statement Blocks and Local Variables</A>

<LI><A HREF="ch6.htm#StatementTypes" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#StatementTypes">

Statement Types</A>

<UL>

<LI><A HREF="ch6.htm#ExampleUsingtheifModifier" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ExampleUsingtheifModifier">

Example: Using the if Modifier</A>

<LI><A HREF="ch6.htm#ExampleUsingtheunlessModifier" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ExampleUsingtheunlessModifier">

Example: Using the unless Modifier</A>

<LI><A HREF="ch6.htm#ExampleUsingtheuntilModifier" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ExampleUsingtheuntilModifier">

Example: Using the until Modifier</A>

<LI><A HREF="ch6.htm#ExampleUsingthewhileModifier" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ExampleUsingthewhileModifier">

Example: Using the while Modifier</A>

</UL>

<LI><A HREF="ch6.htm#Summary" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#Summary">

Summary</A>

<LI><A HREF="ch6.htm#ReviewQuestions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ReviewQuestions">

Review Questions</A>

<LI><A HREF="ch6.htm#ReviewExercises" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch6.htm#ReviewExercises">

Review Exercises</A>

</UL>



<H2><I><FONT SIZE=5 COLOR=#FF0000>Chapter </FONT></I><FONT SIZE=5 COLOR=#FF0000>7

</FONT><FONT SIZE=5>&nbsp;&nbsp;Control Statements</FONT></H2>

<UL>

<LI><A HREF="ch7.htm#DecisionStatements" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#DecisionStatements">

Decision Statements</A>

<UL>

<LI><A HREF="ch7.htm#ExampleTheifStatement" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleTheifStatement">

Example: The if Statement</A>

</UL>

<LI><A HREF="ch7.htm#LoopStatements" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#LoopStatements">

Loop Statements</A>

<UL>

<LI><A HREF="ch7.htm#ExampleIWhileILoops" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleIWhileILoops">

Example: <I>While</I> Loops</A>

<LI><A HREF="ch7.htm#ExampleIUntilILoops" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleIUntilILoops">

Example: <I>Until</I> Loops</A>

<LI><A HREF="ch7.htm#ExampleIForILoops" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleIForILoops">

Example: <I>For</I> Loops</A>

<LI><A HREF="ch7.htm#ExampleIForeachILoops" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleIForeachILoops">

Example: <I>Foreach</I> Loops</A>

</UL>

<LI><A HREF="ch7.htm#JumpKeywords" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#JumpKeywords">

Jump Keywords</A>

<UL>

<LI><A HREF="ch7.htm#ExampleTheIlastIKeyword" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleTheIlastIKeyword">

Example: The <I>last</I> Keyword</A>

<LI><A HREF="ch7.htm#ExampleTheInextIKeyword" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleTheInextIKeyword">

Example: The <I>next</I> Keyword</A>

<LI><A HREF="ch7.htm#ExampleTheIredoIKeyword" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleTheIredoIKeyword">

Example: The <I>redo</I> Keyword</A>

<LI><A HREF="ch7.htm#ExampleTheIgotoIKeyword" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ExampleTheIgotoIKeyword">

Example: The <I>goto</I> Keyword</A>

</UL>

<LI><A HREF="ch7.htm#Summary" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#Summary">

Summary</A>

<LI><A HREF="ch7.htm#ReviewQuestions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ReviewQuestions">

Review Questions</A>

<LI><A HREF="ch7.htm#ReviewExercises" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch7.htm#ReviewExercises">

Review Exercises</A>

</UL>



<H2><I><FONT SIZE=5 COLOR=#FF0000>Chapter </FONT></I><FONT SIZE=5 COLOR=#FF0000>8

</FONT><FONT SIZE=5>&nbsp;&nbsp;RefereNCes</FONT></H2>

<UL>

<LI><A HREF="ch8.htm#RefereNCeTypes" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#RefereNCeTypes">

RefereNCe Types</A>

<UL>

<LI><A HREF="ch8.htm#ExamplePassingParameterstoFuNCtions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ExamplePassingParameterstoFuNCtions">

Example: Passing Parameters to FuNCtions</A>

<LI><A HREF="ch8.htm#ExampleTherefFuNCtion" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ExampleTherefFuNCtion">

Example: The ref() FuNCtion</A>

<LI><A HREF="ch8.htm#ExampleCreatingaDataRecord" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ExampleCreatingaDataRecord">

Example: Creating a Data Record</A>

<LI><A HREF="ch8.htm#ExampleInterpolatingFuNCtionsInsideDoubleQuotedStrings" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ExampleInterpolatingFuNCtionsInsideDoubleQuotedStrings">

Example: Interpolating FuNCtions Inside Double-Quoted Strings

</A>

</UL>

<LI><A HREF="ch8.htm#Summary" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#Summary">

Summary</A>

<LI><A HREF="ch8.htm#ReviewQuestions" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ReviewQuestions">

Review Questions</A>

<LI><A HREF="ch8.htm#ReviewExercises" tppabs="http://cheminf.nankai.edu.cn/~eb~/Perl%205%20By%20Example/ch8.htm#ReviewExercises">

Review Exercises</A>

</UL>