Programmers, developers and system administrators who need to construct shell scripts using advanced text handling facilities.

• Using the shell command line editor
• Backing up and restoring files
• Scheduling background jobs using cron and at
• Using regular expressions
• Editing text files with sed
• Using file comparison utilities
• Using the head and tail utilities
• Using the cut and paste utilities
• Using split and csplit
• Identifying and translating characters
• Sorting files
• Translating characters in a file
• Selecting text from files with the grep family of commands
• Creating programs with awk

Session 1: REVIEW OF SHELL FUNDAMENTALS

• Review of UNIX Commands

Session 2: USING UNIX SHELLS

• Command line history and editing
• The Korn and POSIX shells
• The Bash shell
• Command aliasing
• The shell startup file
• Shell environment variables

Session 3: REDIRECTION, PIPES AND FILTERS

• Standard I/O and redirection
• Pipes
• Command separation
• Conditional execution
• Grouping Commands
• UNIX filters
• The tee command

Session 4: BACKUP AND RESTORE UTILITIES

• Archive devices
• The cpio command
• The tar command
• The dd command

Session 5: BACKGROUND JOB SCHEDULING

• Starting background jobs
• Background tasks and the nohup command
• Process priorities and the nice command
• Job control
• Scheduling jobs with the at command
• Scheduling jobs with the cron command

Session 6: REGULAR EXPRESSION NOTATION

• Regular expressions
• Extended regular expressions

Session 7: SEARCHING FILES FOR PATTERNS

• The grep family of commands
• The grep command
• The fgrep command
• The egrep command

Session 8: THE STREAM EDITOR - sed

• Introduction and command line syntax
• The sed program structure
• sed program processing
• Use sed commands
• sed addresses
• sed instructions
• Hold and get functions
• Advanced flow control

Session 9: COMMANDS FOR COMPARING FILES

• Compare two files with the cmp command
• Compare two files with the comm command
• Compare two files with the diff and sdiff commands
• Compare large files with the bdiff command

Session 10: FILE MANIPULATION COMMANDS

• The head and tail commands
• The cut command
• The paste command
• The pr command
• The split and csplit commands

Session 11: IDENTIFY AND TRANSLATE CHARACTERS

• od - octal dump
• Use cat to display non-printing characters
• The expand and unexpand commands
• The tr command

Session 12: SORTING FILES

• The sort command
• Specify sort keys with -k
• Sort by column positions
• The uniq command

Session 13: INTRODUCTION TO THE PATTERN SCANNING UTILITY - awk

• Introduction and command line syntax
• The awk program structure
• Use regular expressions
• Operators
• Simple patterns
• Extended patterns
• Comments
• Special patterns (BEGIN and END)
• Program variables
• Built-in variables
• User defined variables
• Mathematical operators
• Enhanced printing
• Handling user variables

Session 14: awk PROGRAM CONTROL STRUCTURES

• Program control structures
• The if construct
• The while and do ... while constructs
• The basic for construct
• Associative array handling
• Functions
• Built in functions
• The system function
• The getline function
• User defined functions

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