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Perl Cookbook, Second Edition

Christiansen, Tom; Torkington, Nathan

ISBN 10: 0596003137 / ISBN 13: 9780596003135
Verlag: O'Reilly Media, 2003
Neu Zustand: New
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Brand New, Unread Copy in Perfect Condition. A+ Customer Service! Summary: Foreword Preface 1. Strings 1.1 Accessing Substrings 1.2 Establishing a Default Value 1.3 Exchanging Values Without Using Temporary Variables 1.4 Converting Between Characters and Values 1.5 Using Named Unicode Characters 1.6 Processing a String One Character at a Time 1.7 Reversing a String by Word or Character 1.8 Treating Unicode Combined Characters as Single Characters 1.9 Canonicalizing Strings with Unicode Combined Characters 1.10 Treating a Unicode String as Octets 1.11 Expanding and Compressing Tabs 1.12 Expanding Variables in User Input 1.13 Controlling Case 1.14 Properly Capitalizing a Title or Headline 1.15 Interpolating Functions and Expressions Within Strings 1.16 Indenting Here Documents 1.17 Reformatting Paragraphs 1.18 Escaping Characters 1.19 Trimming Blanks from the Ends of a String 1.20 Parsing Comma-Separated Data 1.21 Constant Variables 1.22 Soundex Matching 1.23 Program: fixstyle 1.24 Program: psgrep 2. Numbers 2.1 Checking Whether a String Is a Valid Number 2.2 Rounding Floating-Point Numbers 2.3 Comparing Floating-Point Numbers 2.4 Operating on a Series of Integers 2.5 Working with Roman Numerals 2.6 Generating Random Numbers 2.7 Generating Repeatable Random Number Sequences 2.8 Making Numbers Even More Random 2.9 Generating Biased Random Numbers 2.10 Doing Trigonometry in Degrees, Not Radians 2.11 Calculating More Trigonometric Functions 2.12 Taking Logarithms 2.13 Multiplying Matrices 2.14 Using Complex Numbers 2.15 Converting Binary, Octal, and Hexadecimal Numbers 2.16 Putting Commas in Numbers 2.17 Printing Correct Plurals 2.18 Program: Calculating Prime Factors 3. Dates and Times 3.1 Finding Today''s Date 3.2 Converting DMYHMS to Epoch Seconds 3.3 Converting Epoch Seconds to DMYHMS 3.4 Adding to or Subtracting from a Date 3.5 Difference of Two Dates 3.6 Day in a Week/Month/Year or Week Number 3.7 Parsing Dates and Times from Strings 3.8 Printing a Date 3.9 High-Resolution Timers 3.10 Short Sleeps 3.11 Program: hopdelta 4. Arrays 4.1 Specifying a List in Your Program 4.2 Printing a List with Commas 4.3 Changing Array Size 4.4 Implementing a Sparse Array 4.5 Iterating Over an Array 4.6 Iterating Over an Array by Reference 4.7 Extracting Unique Elements from a List 4.8 Finding Elements in One Array but Not Another 4.9 Computing Union, Intersection, or Difference of Unique Lists 4.10 Appending One Array to Another 4.11 Reversing an Array 4.12 Processing Multiple Elements of an Array 4.13 Finding the First List Element That Passes a Test 4.14 Finding All Elements in an Array Matching Certain Criteria 4.15 Sorting an Array Numerically 4.16 Sorting a List by Computable Field 4.17 Implementing a Circular List 4.18 Randomizing an Array 4.19 Program: words 4.20 Program: permute 5. Hashes 5.1 Adding an Element to a Hash 5.2 Testing for the Presence of a Key in a Hash 5.3 Creating a Hash with Immutable Keys or Values 5.4 Deleting from a Hash 5.5 Traversing a Hash 5.6 Printing a Hash 5.7 Retrieving from a Hash in Insertion Order 5.8 Hashes with Multiple Values per Key 5.9 Inverting a Hash 5.10 Sorting a Hash 5.11 Merging Hashes 5.12 Finding Common or Different Keys in Two Hashes 5.13 Hashing References 5.14 Presizing a Hash 5.15 Finding the Most Common Anything 5.16 Representing Relationships Between Data 5.17 Program: dutree 6. Pattern Matching 6.1 Copying and Substituting Simultaneously 6.2 Matching Letters 6.3 Matching Words 6.4 Commenting Regular Expressions 6.5 Finding the Nth Occurrence of a Match 6.6 Matching Within Multiple Lines 6.7 Reading Records with a Separator 6.8 Extracting a Range of Lines 6.9 Matching Shell Globs as Regular Expressions 6.10 Speeding Up Interpolated Matches 6.11 Testing for a Valid Pattern 6.12 Honoring Locale Settings in Regular Expressions 6.13 Approximate Matching 6.14 Matching from Where the Last Pattern Left Off 6.15 Greedy and Non-Greedy Matches 6.16 Detecting Doubled Words 6.17 Matching Nested Patt. Buchnummer des Verkäufers ABE_book_new_0596003137

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Bibliografische Details

Titel: Perl Cookbook, Second Edition

Verlag: O'Reilly Media

Erscheinungsdatum: 2003

Zustand:New