Unix Shell Scripting Basics

Agenda ,[object Object],[object Object],[object Object],[object Object]

What is a shell? ,[object Object],▌

What is a shell? ,[object Object]

What is a shell? INPUT shell OUTPUT ERROR

What is a shell? ,[object Object],[object Object]

Bourne Shells ,[object Object],[object Object],Steve Bourne

Other Common Shells ,[object Object],[object Object],[object Object]

An aside: What do I mean by /bin ? ,[object Object],[object Object],[object Object]

An aside: What do I mean by /bin ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Shell Script? ,[object Object],[object Object],[object Object]

What is a Shell Script? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Shell Script? A Text File ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

An aside: Redirection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],0 1 2 INPUT env OUTPUT ERROR

What is a Shell Script? How To Run ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Shell Script? What To Do ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Shell Script? Executable ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Shell Script? Running it ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Finding the program: PATH ,[object Object],[object Object],[object Object],[object Object]

Variables and the Environment ,[object Object],[object Object],[object Object],[object Object],[object Object]

An aside: Quoting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variables and the Environment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Welcome to Shell Scripting! Shebang! The Environment PATH Input, Output, and Error chmod

How to Learn ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Continuing Lines: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Exit Status ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Exit Status: exit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: test ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: test ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: test ,[object Object],[object Object],[object Object],[object Object]

An aside: $(( )) for Math ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: if ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: if ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: for ,[object Object],[object Object],[object Object],[object Object]

Logic: for ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: C-style for ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: C-style for ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logic: while ,[object Object],[object Object],[object Object],[object Object]

Logic: while ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Counters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reusing Code: “Sourcing” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variable Manipulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reasons for Running Programs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pipes ,[object Object],[object Object],[object Object],INPUT echo OUTPUT ERROR 0 1 2 INPUT wc OUTPUT ERROR 0 1 2 A Pipe!

Email Notification ,[object Object],[object Object],[object Object]

Dates ,[object Object],[object Object],[object Object],[object Object]

FTP the Hard Way ,[object Object],[object Object],[object Object],[object Object]

FTP with wget ,[object Object],[object Object]

FTP with curl ,[object Object],[object Object],[object Object]

Searching: grep ,[object Object],[object Object],[object Object],[object Object],[object Object]

Searching: find ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Searching: locate ,[object Object],[object Object],[object Object],[object Object]

Make Your Life Easier ,[object Object],[object Object],[object Object],[object Object],[object Object]

pushd/popd ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Monitoring processes ,[object Object],[object Object],[object Object],[object Object],[object Object]

“DOS” Mode Files ,[object Object],[object Object],[object Object]

sqlplus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

sqlplus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Passing Arguments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

INB Job Submission Template ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Scheduling Jobs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Questions? ,[object Object],[object Object],[object Object],[object Object]

Unix Shell Scripting Basics

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Unix Shell Scripting Basics