Perl Best Practices [Electronic resources] نسخه متنی

B.7. Chapter 8, Built-in Functions

• Don't recompute sort keys inside a sort. [Sorting ]

• Use reverse to reverse a list. [Reversing Lists ]

• Use scalar reverse to reverse a scalar. [Reversing Scalars ]

• Use unpack to extract fixed-width fields. [Fixed-Width Data ]

• Use split to extract simple variable-width fields. [Separated Data ]

• Use Text::CSV_XS to extract complex variable-width fields. [Variable-Width Data ]

• Avoid string eval. [String Evaluations ]

• Consider building your sorting routines with Sort::Maker. [Automating Sorts ]

• Use 4-arg substr instead of lvalue substr. [Substrings ]

• Make appropriate use of lvalue values. [Hash Values ]

• Use glob, not <...>. [Globbing ]

• Avoid a raw select for non-integer sleeps. [Sleeping ]

• Always use a block with a map and grep. [Mapping and Grepping ]

• Use the "non-builtin builtins". [Utilities ]