UNIX Shell Programming

by Arthur, Lowell Jay; Burns, Ted

• ISBN13: 9780471168942
• ISBN10: 0471168947
• Edition: 4th
• Format: Paperback
• Copyright: 1997-07-25
• Publisher: Wiley

Summary

Harness the power of shells . . . for the Internet and beyond Completely revised and updated to include the latest developments in Internet and business applications, UNIX Shell Programming, Fourth Edition provides comprehensive coverage of Bourne, Korn, C, and BASH shells. Using a specially developed three-step process, this invaluable guide takes you through the entire universe of UNIX shell, from simple commands and programming to the world of software developers and system administrators. Using this comprehensive book, you'll be able to choose the shell that's right for you -whatever your needs or background. UNIX Shell Programming, Fourth Edition gives you: * Practical guidance on how to create CGI scripts, object warehouses, and reuse catalogs * Everything on shell extensions for management of distributed environments * A special shell reference appendix containing real-life examples that you can use right now Visit the book's companion Web site at www.wiley.com/compbooks/unixshell

Author Biography

Lowell Jay Arthur is a principal of Quantum Improvement, a software process and quality consulting firm. He has over 21 years of experience maintaining software in IBM, UNIX, and PC environments and is the author of many well-known books on software engineering. Ted Burns has been building software systems for over 13 years and is currently a member of the technical staff at Invesco Mutual Funds. He has an MS degree in computer science.

Table of Contents

About the Authors	vii	(1)
Preface	viii
PART ONE--Shell for the Novice	1	(218)
1. The Power of Shell	3	(12)
Why Shell?	4	(2)
What's in It for Me?	6	(1)
Shell Simplicity	7	(1)
The UNIX Shells	8	(4)
When to Use the Shell	12	(1)
Productivity and the Shell	13	(2)
2. UNIX Basics	15	(18)
What Is UNIX?	16	(1)
The UNIX Kernel	16	(1)
UNIX Files	17	(3)
Logging In	20	(4)
The Graphical User Interface (GUI)	24	(6)
Summary	30	(1)
Exercises	31	(2)
3. Shell Fundamentals	33	(36)
Command Syntax	33	(6)
Metacharacters and Filename Generation	39	(10)
Regular Expressions	49	(10)
Filters	59	(2)
Input/Output Redirection	61	(3)
Pipes	64	(3)
Summary	67	(1)
Exercises	68	(1)
4. Shell Commands	69	(44)
File and Directory Commands	70	(12)
Selection Commands	82	(6)
Combining and Ordering Commands	88	(5)
Transformers and Translators	93	(5)
Printing	98	(3)
Security	101	(3)
Built-In Commands	104	(6)
Summary	110	(1)
Exercises	111	(2)
5. Shell Decisions and Repetitions	113	(44)
Shell Variables	114	(12)
Inspiring Quotes	126	(6)
Test	132	(3)
Expr	135	(3)
Sequential Control Structures	138	(6)
Looping Commands	144	(10)
Summary	154	(1)
Exercises	155	(2)
6. Shell Programming	157	(62)
Interactive Shell Usage	157	(8)
Command History and Editing	165	(13)
Foreground and Background Procedures	178	(5)
Interactive Shell Summary	183	(1)
When to Create Shell Programs	183	(1)
Creating Shell Programs	184	(15)
How the Shell Finds Commands	199	(4)
Shell Programming	203	(13)
Summary	216	(1)
Exercises	217	(2)
PART TWO--Shell Programming for the User	219	(92)
7. User Shell Programming	221	(40)
The Shell Relational Database	223	(4)
Data Input	227	(3)
Database Update	240	(4)
Data Selection	244	(5)
Reporting	249	(1)
System Interfaces	250	(2)
Working with Numbers	252	(8)
Summary	260	(1)
Exercises	260	(1)
8. Structuring Shell Programs	261	(18)
Shell Functions	262	(10)
Good Program Structure	272	(1)
Designing Reusable Functions	273	(1)
Recursive Functions	274	(3)
Summary	277	(1)
Exercises	277	(2)
9. Internet and the Shell	279	(18)
HTML (Hypertext Markup Language)	280	(4)
CGI (Common Gateway Interface) Programming	284	(11)
Security	295	(1)
Summary	295	(1)
Exercises	296	(2)
10. C Shell	297	(14)
Setting Up Your C Shell Environment	298	(2)
C Shell Commands	300	(2)
Redirection Using C Shell	302	(1)
Control Structures	303	(5)
History	308	(1)
Job Control	309	(1)
Summary	309	(2)
PART THREE--Shell Programming for the Power User	311	(112)
11. Rapid Prototyping and Reuse	313	(36)
Benefits of Prototyping	314	(2)
Rapid Prototyping	316	(3)
Rapid Evolution Metaphors	319	(2)
Rapid Prototyping Process	321	(2)
Software Evolution	323	(1)
Innovation	324	(5)
Vision	329	(3)
Recommendations	332	(1)
Reuse	332	(12)
Internet Reuse Catalog	344	(2)
Summary	346	(1)
Exercise	347	(2)
12. Shell for Programmers	349	(20)
C Language Programming	350	(3)
Compiling	353	(5)
Creating and Maintaining Libraries: ar	358	(1)
Testing and Debugging	359	(4)
Change Control and Configuration Management	363	(4)
Summary	367	(2)
13. The Shell Innovator	369	(22)
Systems Integration	371	(2)
Strategic Information Systems	373	(3)
Rapid Prototyping	376	(5)
Tools for Strategic System Development	381	(2)
Development and Maintenance Tools	383	(3)
Shell Tools	386	(3)
Unimaginable Systems	389	(1)
Summary	389	(1)
Exercises	390	(1)
14. Shell Mastery	391	(16)
Reliability	392	(4)
Maintainability	396	(3)
Reusability	399	(1)
Efficiency	400	(2)
Portability	402	(1)
Usability	403	(3)
Summary	406	(1)
Exercises	406	(1)
15. The UNIX System Administrator	407	(16)
Administration Duties	408	(1)
Administrative Directories and Files	408	(3)
Daily Administration	411	(4)
Routine Maintenance	415	(2)
Diagnose and Fix Problems	417	(1)
Ensure System Security	418	(2)
Provide User Assistance	420	(1)
Summary	421	(1)
Exercises	421	(2)
Appendixes	423	(86)
A. Reusable Shell Code	423	(2)
B. C Language Prototype	425	(2)
C. Makefile Prototype	427	(2)
D. Shell Syntax	429	(4)
E. Shell Built-in Commands Reference	433	(56)
F. Sed Reference	489	(8)
G. Awk Reference	497	(12)
Bibliography	509	(4)
Index	513