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I) File and Directory Manipulation in Perl

•  Directories & Directory Acces via perl
•   chdir(): Changing Directories
•  Directory and Filenames ( glob() )
•  Directory Handles
•  opendir() and closedir()
•  opendir()
•  closedir()
•  readdir()
•  Opening and Reading Directories in Perl
•  Opening and Reading a Directory in Scalar Context (An Example)
•  Opening and reading a Directory in List Context (An Example)
•  unlink() - Removing files & links
•  rename(): Renaming files in Perl
•  Hard Links and Symbolic Links
•  link(): Making Hard Links in Perl
•  symlink(): Making Symbolic Links in Perl
•  readlink(): Reading Link Information in perl
•  mkdir() & rmdir(): Making and Removing Directories
•  chmod(): Changing Permissions of Files
•  chown(): Changing Ownership of Files
•  utime(): Modify Timestamps of a File

II: Managing Processes:

•  Creating New Processes in Perl
•  system() function:
•  Using Backquotes to Launch a Process
•  Connecting a Filehandle to a Process
•  Opening a Process/Filehandle for Reading
•  Opening a Process/Filehandle for Writing
•  Closing a Process/Filehandle (Causing a Process to wait)
•  fork()
•  exec()
•  wait()
•  waitpid()
•  exit()
 Signals

•  String and Data Manipulations in Perl
•  Description
•  Finding a Substring in a String
•  index()
•  rindex()
•  Extracting Substrings from a String
•  substr()
•  Replacing Substrings in a String

Section 15: Sorting the Perl way... (Basic Perl Sorting Techniques)

•  Sorting the Perl Way
•  The Perl "sort" Operator
•  Different Kinds of Sorts in Perl
•  Numeric Sorting
•  Sorting Strings
•  Combining Sort Techniques

Section 18: Binary Data / pack() & unpack()

•  Perl & Binary Data / "pack()" and "unpack()"
•  pack( TEMPLATE, LIST );
•  unpack( TEMPLATE, EXPRESSION );
•  Byte Ordering / Big Endian vs Little Endian

Section 19:  Perl &DBM Database Access

•  Preliminary Info
•  Basic DBM Concepts
•  DBM and C
•  DBM and Perl
•  Accessing DBM Database in Perl
•  Opening a DBM Database
•  Closing a DBM Database "dbmclose()"
•  Accessing a DBM database / The DBM Array
•  Adding to a DBM database
•  Retreiving Elements from a DBM database
•  Deleting Elements from a DBM database
•  Examples
•  Summary

Section 20: Perl & Fixed Length Record Random Access

•  Fixed Length Random Access Files (Description)
•  Opening a Disc File for Reading and Writing
•  The "open()" Function
•  Moving Within the File
•  The "seek()" Function
•  Reading & Writing to/from The File
•  Reading data from a Fixed Length Record Random Access File
•  The "read()" Function
•  Writing Records to the File
•  A Simple Example

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