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The Art Of Unix Programming
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详细说明： 超级经典！！！ The Art of Unix Programming Eric Steven Raymond Table of Contents 目录 Requests for reviewers and copy-editors Preface Who Should Read This Book How To Use This Book Related References Conventions Used In This Book Our Case Studies Author's Acknowledgem ents I. Context 1. Philosophy Culture? What culture? The durability of Unix The case against learning Unix culture What Unix gets wrong What Unix gets right Open-source software Cross-platform portability and open standards The Internet The open-source community Flexibility in depth Unix is fun to hack The lessons of Unix can be applied elsewhere Basics of the Unix philosophy Rule of Modularity: Write simple parts connected by clean interfaces. Rule of Composition: Design programs to be connected with other programs. Rule of Clarity: Clarity is better than cleverness. Rule of Simplicity: Design for simplicity; add complexity only where you must. Rule of Transparency: Design for visibility to make inspection and debugging easier. Rule of Robustness: Robustness is the child of transparency and simplicity. Rule of Least Surprise: In interface design, always do the least surprising thing. Rule of Repair: Repair what you can — but when you must fail, fail noisily and as soon as possible. Rule of Economy: Programmer time is expensive; conserve it in preference to machine time. Rule of Generation: Avoid hand-hacking; write programs to write programs when you can. Rule of Representation: Use smart data so program logic can be stupid and robust. Rule of Separation: Separate policy from mechanism; separate interfaces from engines. Rule of Optimization: Prototype before polishing. Get it working before you optimize it. Rule of Diversity: Distrust all claims for one true way. Rule of Extensibility: Design for the future, because it will be here sooner than you think. The Unix philosophy in one lesson Applying the Unix philosophy Attitude matters too 2. History Origins and history of Unix, 1969-1995 Genesis: 1969-1971 Exodus: 1971-1980 TCP/IP and the Unix Wars: 1980-1990 Blows against the empire: 1991-1995 Origins and history of the hackers, 1961-1995 At play in the groves of academe: 1961-1980 Internet fusion and the Free Software Movement: 1981-1991 Linux and the pragmatist reaction: 1991-1998 The open-source movement: 1998 and onward. The lessons of Unix history 3. Contrasts The elements of operating-system style What is the unifying idea? Cooperating processes Internal boundaries File attributes and record structures Binary file formats Preferred UI style Who is the intended audience? What are the entry barriers to development? Operating-system comparisons VMS Mac OS OS/2 Windows NT BeOS Linux What goes around, comes around II. Design 4. Modularity Encapsulation and optimal module size Compactness and orthogonality Compactness Orthogonality The DRY rule The value of detachment Top-down, bottom-up, and glue layers Case study: C considered as thin glue Library layering Case study: GIMP plugins Unix and object-oriented languages Coding for modularity 5. Textuality The Importance of Being Textual Case study: Unix password file format Case study: .newsrc format Case study: The PNG graphics file format Data file metaformats /etc/passwd style RFC-822 format Fortune-cookie format XML Windows INI format Unix textual file format conventions Application protocol design Case study: SMTP, a simple socket protocol Case study: POP3, the Post Office Protocol Case study: IMAP, the Internet Message Access Protocol Application protocol metaformats The classical Internet application metaprotocol HTTP as a universal application protocol BEEP XML-RPC. SOAP, and Jabber Binary files as caches 6. Multiprogramming Separating complexity control from performance tuning Handing off tasks to specialist programs Case study: the mutt mail user agent. Pipes, redirection, and filters Case study: Piping to a Pager Case study: making word lists Case study: pic2graph Case study: bc(1) and dc(1) Slave processes Case study: scp(1) and ssh Wrappers Case study: backup scripts Security wrappers and Bernstein chaining Peer-to-peer inter-process communication Signals System daemons and conventional signals Case study: fetchmail's use of signals Temp files Shared memory via mmap Sockets Obsolescent Unix IPC methods Client-Server Partitioning for Complexity Control Case study: PostgreSQL Case study: Freeciv Two traps to avoid Remote procedure calls Threads — threat or menace? A fearful synergy 7. Transparency Some case studies Case study: audacity Case study: fetchmail's -v option Case study: kmail Case study: sng Case study: the terminfo database Case study: Freeciv data files Designing for transparency and discoverability The Zen of transparency Coding for transparency and discoverability. Transparency and avoiding overprotectiveness. Transparency and editable representations. Transparency, fault diagnosis, and fault recovery Designing for maintainability 8. Minilanguages Taxonomy of languages Applying minilanguages Case study: sng Case study: Glade Case study: m4 Case study: XSLT Case study: the DWB tools Case study: fetchmailrc Case study: awk Case study: PostScript Case study: bc and dc Case study: Emacs Lisp Case study: JavaScript Designing minilanguages Choosing the right complexity level Extended and embedded languages When you need a custom grammar Macros — beware! Language or application protocol? 9. Generation Data-driven programming Regular expressions Case Study: ascii Case Study: metaclass hacking in fetchmailconf Ad-hoc code generation Case study: generating code for a fixed screen display Case study: generating HTML code for a tabular list Special-purpose code generators Yacc and Lex Glade Avoiding traps 10. Configuration Run-control files Case study: The .netrc file Portability to other operating systems Environment variables Portability to other operating systems Command-line options The a to z of command-line options Portability to other operating systems How to choose among configuration-setting methods Case study: fetchmail Case study: the XFree86 server On breaking these rules 11. Interfaces Applying the Rule of Least Surprise History of interface design on Unix The right style for the right job Tradeoffs between CLI and visual interfaces Case study: Two ways to write a calculator program Unix interface design patterns The filter pattern The cantrip pattern The emitter pattern The absorber pattern The compiler pattern The ed pattern The rogue pattern The ‘separated engine and interface’ pattern The CLI server pattern Language-based interface patterns Applying Unix design patterns The polyvalent-program pattern The Web browser as universal front end Silence is golden III. Implementation 12. Languages Unix's Cornucopia of Languages Why Not C? Interpreted Languages and Mixed Strategies Language evaluations C C++ Shell Perl Tcl Python Java Emacs Lisp Trends for the Future Choosing an X toolkit 13. Tools A developer-friendly operating system Choosing an editor vi: lightweight but limited Emacs: heavy metal editing The benefits of knowing both Is Emacs an argument against the Unix philosophy? Make: automating your development recipes Basic theory of make(1) Make in non-C/C++ Development Utility productions Generating makefiles Version-control systems Why version control? Version control by hand Automated version control Unix tools for version control Run-time debugging Profiling Emacs as the universal front end Emacs and make(1) Emacs and run-time debugging Emacs and version control Emacs and Profiling Like an IDE, only better... 14. Re-Use The tale of J. Random Newbie Transparency as the key to re-use From re-use to open source The best things in life are open Where should I look? What are the issues in using open-source software? Licensing issues What qualifies as open source Standard open-source licenses When you need a lawyer Open-source software in the rest of this book IV. Community 15. Portability Evolution of C Early history of C C standards Unix standards Standards and the Unix wars The ghost at the victory banquet Unix standards in the open-source world IETF and the RFC standards process Specifications as DNA, code as RNA Programming for Portability Portability and choice of language Avoiding system dependencies Tools for portability Portability, open standards and open source 16. Documentation Documentation concepts The Unix style Technical background Cultural style The zoo of Unix documentation formats troff and the DWB tools TeX Texinfo POD HTML DocBook The present chaos and a possible way out DocBook Document Type Definitions Other DTDs The DocBook toolchain Migration tools Editing tools Related standards and practices SGML XML-Docbook References How to write Unix documentation 17. Open Source Unix and open source Best practices for working with open-source developers Good patching practice Good project- and archive- naming practice Good development practice Good distribution-making practice Good communication practice The logic of licenses: how to pick one Why you should use a standard license Varieties of Open-Source Licensing X Consortium License BSD Classic License Artistic License General Public License Mozilla Public License 18. Futures Essence and accident in Unix tradition Problems in the design of Unix A Unix file is just a big bag of bytes File deletion is forever The Unix API doesn't use exceptions ioctl(2) and fcntl(2) are an embarrassment The Unix security model may be too primitive Unix has too many different kinds of names for things File systems might be considered harmful Problems in the environment of Unix Problems in the culture of Unix Reasons to believe A. Glossary of Abbreviations B. References C. Contributors ...展开收缩
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