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UN31 Perl 5 Scripting |
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| Length/Format |
3 days
Lecture, discussion, demos and hands-on labs
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| Description |
This course prepares the
student to develop programs using the new Perl5 interpretive
command processor. Perl is a powerful scripting language
that blends a C/CSH syntax with extensive RE parsing, IO
facilites, filesystem functions, process control and
networking.
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| Audience |
This course is intended for
experienced Unix/Windows users, programmers and
administrators. Familiarity with one or more of the
following is helpful: Unix File/Directory Manipulation, REs,
C/Shell Programming, awk/grep, System Functions/Calls. Many
Perl5 facilities are also available on Windows platforms.
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| Key Topics |
INTRODUCTION AND BASIC
OPERATIONS - Overview and Features; Invoking Scripts,
Implicit/Explicit, Cmdline Program Statements/Options, Debug
Mode: Variables and NameSpaces, Expressions, Literals,
Operators; Simple Terminal I/O; Conditional Statements,
if/else/elsif, Blocks, Numeric/String Operators, Case,
Conditional Stmt Execution; Looping Constructs, while/until,
Iterators, Flow Control next/last/redo, for/each lists; ARGV
Cmdline Processing, Token Access, File/Pipe Read Processing
STRING PROCESSING AND REGULAR EXPRESSIONS -
RE Patterns, SuperSet Meta haracters, Operators/Functions
m/s/tr, Grouping/Parsing; String Functions length/substr/index,
Operators Concat/Repeat;
LIST FACILITIES -
Lists and Arrays, Syntax/Assign, Numeric Indexing, Access,
Multiple Dimensions, Manipulating Items shift/push/pop,
Combining and Searching split/join/grep, sort/reverse;
Associative Arrays, Key Processing, Extracting Data
keys/values/delete, each Iterator; ENV Variables; Data
Structures
SUBROUTINES -
Subroutines, Declaration & Invocation, Variable Scoping,
my/local, Parm Passing/Return Facilities; Variable & List
References, Passing Arrays; Packages, require, @INC; Using
Modules; BEGIN, END, AUTOLOAD Facilities
FILE AND DIRECTORY PROCESSING FACILITIES -
Open/Close Disk Files & Pipes, Modes, Errors; Reading
Variable Length Delimited Data; Formatting Tablular Reports;
Reading Fixed Format Records, Templates, pack/unpack
Functions, Random IO; FileSystem Commands, Conditional
Operators, stat Function, Time Conversions,
Create/Remove/Change Directories, Remove/Rename/Link Files,
Directory Scanning Facilities
ADMINISTRATIVE FACILITIES AND PROCESS CONTROL -
File Ownership, Mode, TimeStamp Manipulation; NIS
Password/Group File Access/Iterators, Network File Iterators;
Trapping & Sending Signals, SIG/kill; Creating Processes,
system Function; Priority, fork/exec/wait Facilities,
Opening/Processing Pipelines
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