bash Cookbook
(Sprache: Englisch)
The key to mastering any Unix system, especially Linux and Mac OS X, is a thorough knowledge of shell scripting. Scripting is a way to harness and customize the power of any Unix system, and it's an essential skill for any Unix users, including system...
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The key to mastering any Unix system, especially Linux and Mac OS X, is a thorough knowledge of shell scripting. Scripting is a way to harness and customize the power of any Unix system, and it's an essential skill for any Unix users, including system administrators and professional OS X developers. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards.bash Cookbook teaches shell scripting the way Unix masters practice the craft. It presents a variety of recipes and tricks for all levels of shell programmers so that anyone can become a proficient user of the most common Unix shell -- the bash shell -- and cygwin or other popular Unix emulation packages. Packed full of useful scripts, along with examples that explain how to create better scripts, this new cookbook gives professionals and power users everything they need to automate routine tasks and enable them to truly manage their systems - rather than have their systems manage them.
Inhaltsverzeichnis zu „bash Cookbook “
Preface1. Beginning bash
1.1 Decoding the Prompt
1.2 Showing Where You Are
1.3 Finding and Running Commands
1.4 Getting Information About Files
1.5 Showing All Hidden (dot) Files in the Current Directory
1.6 Using Shell Quoting
1.7 Using or Replacing Built-ins and External Commands
1.8 Determining If You Are Running Interactively
1.9 Setting bash As Your Default Shell
1.10 Getting bash for Linux
1.11 Getting bash for xBSD
1.12 Getting bash for Mac OS X
1.13 Getting bash for Unix
1.14 Getting bash for Windows
1.15 Getting bash Without Getting bash
1.16 Learning More About bash Documentation
2. Standard Output
2.1 Writing Output to the Terminal/Window
2.2 Writing Output but Preserving Spacing
2.3 Writing Output with More Formatting Control
2.4 Writing Output Without the Newline
2.5 Saving Output from a Command
2.6 Saving Output to Other Files
2.7 Saving Output from the ls Command
2.8 Sending Both Output and Error Messages to Different Files
2.9 Sending Both Output and Error Messages to the Same File
2.10 Appending Rather Than Clobbering Output
2.11 Using Just the Beginning or End of a File
2.12 Skipping a Header in a File
2.13 Throwing Output Away
2.14 Saving or Grouping Output from Several Commands
2.15 Connecting Two Programs by Using Output As Input
2.16 Saving a Copy of Output Even While Using It As Input
2.17 Connecting Two Programs by Using Output As Arguments
2.18 Using Multiple Redirects on One Line
2.19 Saving Output When Redirect Doesn't Seem to Work
2.20 Swapping STDERR and STDOUT
2.21 Keeping Files Safe from Accidental Overwriting
2.22 Clobbering a File on Purpose
3. Standard Input
3.1 Getting Input from a File
3.2 Keeping Your Data with Your Script
3.3 Preventing Weird Behavior in a Here-Document
3.4 Indenting Here-Documents
3.5 Getting User Input
3.6 Getting Yes or No Input
3.7 Selecting from a List of Options
3.8 Prompting for a Password
4. Executing Commands
4.1 Running Any Executable
4.2
... mehr
Telling If a Command Succeeded or Not
4.3 Running Several Commands in Sequence
4.4 Running Several Commands All at Once
4.5 Deciding Whether a Command Succeeds
4.6 Using Fewer if Statements
4.7 Running Long Jobs Unattended
4.8 Displaying Error Messages When Failures Occur
4.9 Running Commands from a Variable
4.10 Running All Scripts in a Directory
5. Basic Scripting: Shell Variables
5.1 Documenting Your Script
5.2 Embedding Documentation in Shell Scripts
5.3 Promoting Script Readability
5.4 Separating Variable Names from Surrounding Text
5.5 Exporting Variables
5.6 Seeing All Variable Values
5.7 Using Parameters in a Shell Script
5.8 Looping Over Arguments Passed to a Script
5.9 Handling Parameters with Blanks
5.10 Handling Lists of Parameters with Blanks
5.11 Counting Arguments
5.12 Consuming Arguments
5.13 Getting Default Values
5.14 Setting Default Values
5.15 Using null As a Valid Default Value
5.16 Using More Than Just a Constant String for Default
5.17 Giving an Error Message for Unset Parameters
5.18 Changing Pieces of a String
5.19 Using Array Variables
6. Shell Logic and Arithmetic
6.1 Doing Arithmetic in Your Shell Script
6.2 Branching on Conditions
6.3 Testing for File Characteristics
6.4 Testing for More Than One Thing
6.5 Testing for String Characteristics
6.6 Testing for Equal
6.7 Testing with Pattern Matches
6.8 Testing with Regular Expressions
6.9 Changing Behavior with Redirections
6.10 Looping for a While
6.11 Looping with a read
6.12 Looping with a Count
6.13 Looping with Floating-Point Values
6.14 Branching Many Ways
6.15 Parsing Command-Line Arguments
6.16 Creating Simple Menus
6.17 Changing the Prompt on Simple Menus
6.18 Creating a Simple RPN Calculator
6.19 Creating a Command-Line Calculator
7. Intermediate Shell Tools I
7.1 Sifting Through Files for a String
7.2 Getting Just the Filename from a Search
7.3 Getting a Simple True/False from a Search
7.4 Searching for Text While Ignoring Case
7.5 Doing a Search in a Pipeline
7.6 Paring Down What the Search Finds
7.7 Searching with More Complex Patterns
7.8 Searching for an SSN
7.9 Grepping Compressed Files
7.10 Keeping Some Output, Discarding the Rest
7.11 Keeping Only a Portion of a Line of Output
7.12 Reversing the Words on Each Line
7.13 Summing a List of Numbers
7.14 Counting String Values
7.15 Showing Data As a Quick and Easy Histogram
7.16 Showing a Paragraph of Text After a Found Phrase
8. Intermediate Shell Tools II
8.1 Sorting Your Output
8.2 Sorting Numbers
8.3 Sorting IP Addresses
8.4 Cutting Out Parts of Your Output
8.5 Removing Duplicate Lines
8.6 Compressing Files
8.7 Uncompressing Files
8.8 Checking a tar Archive for Unique Directories
8.9 Translating Characters
8.10 Converting Uppercase to Lowercase
8.11 Converting DOS Files to Linux Format
8.12 Removing Smart Quotes
8.13 Counting Lines, Words, or Characters in a File
8.14 Rewrapping Paragraphs
8.15 Doing More with less
9. Finding Files: find, locate, slocate
9.1 Finding All Your MP3 Files
9.2 Handling Filenames Containing Odd Characters
9.3 Speeding Up Operations on Found Files
9.4 Finding Files Across Symbolic Links
9.5 Finding Files Irrespective of Case
9.6 Finding Files by Date
9.7 Finding Files by Type
9.8 Finding Files by Size
9.9 Finding Files by Content
9.10 Finding Existing Files and Content Fast
9.11 Finding a File Using a List of Possible Locations
10. Additional Features for Scripting
10.1 "Daemon-izing" Your Script
10.2 Reusing Code with Includes and Sourcing
10.3 Using Configuration Files in a Script
10.4 Defining Functions
10.5 Using Functions: Parameters and Return Values
10.6 Trapping Interrupts
10.7 Redefining Commands with alias
10.8 Avoiding Aliases, Functions
11. Working with Dates and Times
11.1 Formatting Dates for Display
11.2 Supplying a Default Date
11.3 Automating Date Ranges
11.4 Converting Dates and Times to Epoch Seconds
11.5 Converting Epoch Seconds to Dates and Times
11.6 Getting Yesterday or Tomorrow with Perl
11.7 Figuring Out Date and Time Arithmetic
11.8 Handling Time Zones, Daylight Saving Time, and Leap Years
11.9 Using date and cron to Run a Script on the Nth Day
12. End-User Tasks As Shell Scripts
12.1 Starting Simple by Printing Dashes
12.2 Viewing Photos in an Album
12.3 Loading Your MP3 Player
12.4 Burning a CD
12.5 Comparing Two Documents
13. Parsing and Similar Tasks
13.1 Parsing Arguments for Your Shell Script
13.2 Parsing Arguments with Your Own Error Messages
13.3 Parsing Some HTML
13.4 Parsing Output into an Array
13.5 Parsing Output with a Function Call
13.6 Parsing Text with a read Statement
13.7 Parsing with read into an Array
13.8 Getting Your Plurals Right
13.9 Taking It One Character at a Time
13.10 Cleaning Up an SVN Source Tree
13.11 Setting Up a Database with MySQL
13.12 Isolating Specific Fields in Data
13.13 Updating Specific Fields in Data Files
13.14 Trimming Whitespace
13.15 Compressing Whitespace
13.16 Processing Fixed-Length Records
13.17 Processing Files with No Line Breaks
13.18 Converting a Data File to CSV
13.19 Parsing a CSV Data File
14. Writing Secure Shell Scripts
14.1 Avoiding Common Security Problems
14.2 Avoiding Interpreter Spoofing
14.3 Setting a Secure $PATH
14.4 Clearing All Aliases
14.5 Clearing the Command Hash
14.6 Preventing Core Dumps
14.7 Setting a Secure $IFS
14.8 Setting a Secure umask
14.9 Finding World-Writable Directories in Your $PATH
14.10 Adding the Current Directory to the $PATH
14.11 Using Secure Temporary Files
14.12 Validating Input
14.13 Setting Permissions
14.14 Leaking Passwords into the Process List
14.15 Writing setuid or setgid Scripts
14.16 Restricting Guest Users
14.17 Using chroot Jails
14.18 Running As a Non-root User
14.19 Using sudo More Securely
14.20 Using Passwords in Scripts
14.21 Using SSH Without a Password
14.22 Restricting SSH Commands
14.23 Disconnecting Inactive Sessions
15. Advanced Scripting
15.1 Finding bash Portably for #!
15.2 Setting a POSIX $PATH
15.3 Developing Portable Shell Scripts
15.4 Testing Scripts in VMware
15.5 Using for Loops Portably
15.6 Using echo Portably
15.7 Splitting Output Only When Necessary
15.8 Viewing Output in Hex
15.9 Using bash Net-Redirection
15.10 Finding My IP Address
15.11 Getting Input from Another Machine
15.12 Redirecting Output for the Life of a Script
15.13 Working Around "argument list too long" Errors
15.14 Logging to syslog from Your Script
15.15 Sending Email from Your Script
15.16 Automating a Process Using Phases
16. Configuring and Customizing bash
16.1 bash Startup Options
16.2 Customizing Your Prompt
16.3 Change Your $PATH Permanently
16.4 Change Your $PATH Temporarily
16.5 Setting Your $CDPATH
16.6 Shortening or Changing Command Names
16.7 Adjusting Shell Behavior and Environment
16.8 Adjusting readline Behavior Using .inputrc
16.9 Keeping a Private Stash of Utilities by Adding ~/bin
16.10 Using Secondary Prompts: $PS2, $PS3, $PS4
16.11 Synchronizing Shell History Between Sessions
16.12 Setting Shell History Options
16.13 Creating a Better cd Command
16.14 Creating and Changing into a New Directory in One Step
16.15 Getting to the Bottom of Things
16.16 Adding New Features to bash Using Loadable Built-ins
16.17 Improving Programmable Completion
16.18 Using Initialization Files Correctly
16.19 Creating Self-Contained, Portable RC Files
16.20 Getting Started with a Custom Configuration
17. Housekeeping and Administrative Tasks
17.1 Renaming Many Files
17.2 Using GNU Texinfo and Info on Linux
17.3 Unzipping Many ZIP Files
17.4 Recovering Disconnected Sessions Using screen
17.5 Sharing a Single bash Session
17.6 Logging an Entire Session or Batch Job
17.7 Clearing the Screen When You Log Out
17.8 Capturing File Metadata for Recovery
17.9 Creating an Index of Many Files
17.10 Using diff and patch
17.11 Counting Differences in Files
17.12 Removing or Renaming Files Named with Special Characters
17.13 Prepending Data to a File
17.14 Editing a File in Place
17.15 Using sudo on a Group of Commands
17.16 Finding Lines in One File But Not in the Other
17.17 Keeping the Most Recent N Objects
17.18 Grepping ps Output Without Also Getting the grep Process Itself
17.19 Finding Out Whether a Process Is Running
17.20 Adding a Prefix or Suffix to Output
17.21 Numbering Lines
17.22 Writing Sequences
17.23 Emulating the DOS Pause Command
17.24 Commifying Numbers
18. Working Faster by Typing Less
18.1 Moving Quickly Among Arbitrary Directories
18.2 Repeating the Last Command
18.3 Running Almost the Same Command
18.4 Substituting Across Word Boundaries
18.5 Reusing Arguments
18.6 Finishing Names for You
18.7 Playing It Safe
19. Tips and Traps: Common Goofs for Novices
19.1 Forgetting to Set Execute Permissions
19.2 Fixing "No such file or directory" Errors
19.3 Forgetting That the Current Directory Is Not in the $PATH
19.4 Naming Your Script Test
19.5 Expecting to Change Exported Variables
19.6 Forgetting Quotes Leads to "command not found" on Assignments
19.7 Forgetting That Pattern Matching Alphabetizes
19.8 Forgetting That Pipelines Make Subshells
19.9 Making Your Terminal Sane Again
19.10 Deleting Files Using an Empty Variable
19.11 Seeing Odd Behavior from printf
19.12 Testing bash Script Syntax
19.13 Debugging Scripts
19.14 Avoiding "command not found" When Using Functions
19.15 Confusing Shell Wildcards and Regular Expressions
A. Reference Lists
- bash Invocation
- Prompt String Customizations
- ANSI Color Escape Sequences
- Built-in Commands and Reserved Words
- Built-in Shell Variables
- set Options
- shopt Options
- Adjusting Shell Behavior Using set, shopt, and Environment Variables
- Test Operators
- I/O Redirection
- echo Options and Escape Sequences
- printf
- Date and Time String Formatting with strftime
- Pattern-Matching Characters
- extglob Extended Pattern-Matching Operators
- tr Escape Sequences
- Readline Init File Syntax
- emacs Mode Commands
- vi Control Mode Commands
- Table of ASCII Values
B. Examples Included with bash
- Startup-Files Directory Examples
C. Command-Line Processing
- Command-Line Processing Steps
D. Revision Control
- CVS
- Subversion
- RCS
- Other
E. Building bash from Source
- Obtaining bash
- Unpacking the Archive
- What's in the Archive
- Who Do I Turn To?
- Index
4.3 Running Several Commands in Sequence
4.4 Running Several Commands All at Once
4.5 Deciding Whether a Command Succeeds
4.6 Using Fewer if Statements
4.7 Running Long Jobs Unattended
4.8 Displaying Error Messages When Failures Occur
4.9 Running Commands from a Variable
4.10 Running All Scripts in a Directory
5. Basic Scripting: Shell Variables
5.1 Documenting Your Script
5.2 Embedding Documentation in Shell Scripts
5.3 Promoting Script Readability
5.4 Separating Variable Names from Surrounding Text
5.5 Exporting Variables
5.6 Seeing All Variable Values
5.7 Using Parameters in a Shell Script
5.8 Looping Over Arguments Passed to a Script
5.9 Handling Parameters with Blanks
5.10 Handling Lists of Parameters with Blanks
5.11 Counting Arguments
5.12 Consuming Arguments
5.13 Getting Default Values
5.14 Setting Default Values
5.15 Using null As a Valid Default Value
5.16 Using More Than Just a Constant String for Default
5.17 Giving an Error Message for Unset Parameters
5.18 Changing Pieces of a String
5.19 Using Array Variables
6. Shell Logic and Arithmetic
6.1 Doing Arithmetic in Your Shell Script
6.2 Branching on Conditions
6.3 Testing for File Characteristics
6.4 Testing for More Than One Thing
6.5 Testing for String Characteristics
6.6 Testing for Equal
6.7 Testing with Pattern Matches
6.8 Testing with Regular Expressions
6.9 Changing Behavior with Redirections
6.10 Looping for a While
6.11 Looping with a read
6.12 Looping with a Count
6.13 Looping with Floating-Point Values
6.14 Branching Many Ways
6.15 Parsing Command-Line Arguments
6.16 Creating Simple Menus
6.17 Changing the Prompt on Simple Menus
6.18 Creating a Simple RPN Calculator
6.19 Creating a Command-Line Calculator
7. Intermediate Shell Tools I
7.1 Sifting Through Files for a String
7.2 Getting Just the Filename from a Search
7.3 Getting a Simple True/False from a Search
7.4 Searching for Text While Ignoring Case
7.5 Doing a Search in a Pipeline
7.6 Paring Down What the Search Finds
7.7 Searching with More Complex Patterns
7.8 Searching for an SSN
7.9 Grepping Compressed Files
7.10 Keeping Some Output, Discarding the Rest
7.11 Keeping Only a Portion of a Line of Output
7.12 Reversing the Words on Each Line
7.13 Summing a List of Numbers
7.14 Counting String Values
7.15 Showing Data As a Quick and Easy Histogram
7.16 Showing a Paragraph of Text After a Found Phrase
8. Intermediate Shell Tools II
8.1 Sorting Your Output
8.2 Sorting Numbers
8.3 Sorting IP Addresses
8.4 Cutting Out Parts of Your Output
8.5 Removing Duplicate Lines
8.6 Compressing Files
8.7 Uncompressing Files
8.8 Checking a tar Archive for Unique Directories
8.9 Translating Characters
8.10 Converting Uppercase to Lowercase
8.11 Converting DOS Files to Linux Format
8.12 Removing Smart Quotes
8.13 Counting Lines, Words, or Characters in a File
8.14 Rewrapping Paragraphs
8.15 Doing More with less
9. Finding Files: find, locate, slocate
9.1 Finding All Your MP3 Files
9.2 Handling Filenames Containing Odd Characters
9.3 Speeding Up Operations on Found Files
9.4 Finding Files Across Symbolic Links
9.5 Finding Files Irrespective of Case
9.6 Finding Files by Date
9.7 Finding Files by Type
9.8 Finding Files by Size
9.9 Finding Files by Content
9.10 Finding Existing Files and Content Fast
9.11 Finding a File Using a List of Possible Locations
10. Additional Features for Scripting
10.1 "Daemon-izing" Your Script
10.2 Reusing Code with Includes and Sourcing
10.3 Using Configuration Files in a Script
10.4 Defining Functions
10.5 Using Functions: Parameters and Return Values
10.6 Trapping Interrupts
10.7 Redefining Commands with alias
10.8 Avoiding Aliases, Functions
11. Working with Dates and Times
11.1 Formatting Dates for Display
11.2 Supplying a Default Date
11.3 Automating Date Ranges
11.4 Converting Dates and Times to Epoch Seconds
11.5 Converting Epoch Seconds to Dates and Times
11.6 Getting Yesterday or Tomorrow with Perl
11.7 Figuring Out Date and Time Arithmetic
11.8 Handling Time Zones, Daylight Saving Time, and Leap Years
11.9 Using date and cron to Run a Script on the Nth Day
12. End-User Tasks As Shell Scripts
12.1 Starting Simple by Printing Dashes
12.2 Viewing Photos in an Album
12.3 Loading Your MP3 Player
12.4 Burning a CD
12.5 Comparing Two Documents
13. Parsing and Similar Tasks
13.1 Parsing Arguments for Your Shell Script
13.2 Parsing Arguments with Your Own Error Messages
13.3 Parsing Some HTML
13.4 Parsing Output into an Array
13.5 Parsing Output with a Function Call
13.6 Parsing Text with a read Statement
13.7 Parsing with read into an Array
13.8 Getting Your Plurals Right
13.9 Taking It One Character at a Time
13.10 Cleaning Up an SVN Source Tree
13.11 Setting Up a Database with MySQL
13.12 Isolating Specific Fields in Data
13.13 Updating Specific Fields in Data Files
13.14 Trimming Whitespace
13.15 Compressing Whitespace
13.16 Processing Fixed-Length Records
13.17 Processing Files with No Line Breaks
13.18 Converting a Data File to CSV
13.19 Parsing a CSV Data File
14. Writing Secure Shell Scripts
14.1 Avoiding Common Security Problems
14.2 Avoiding Interpreter Spoofing
14.3 Setting a Secure $PATH
14.4 Clearing All Aliases
14.5 Clearing the Command Hash
14.6 Preventing Core Dumps
14.7 Setting a Secure $IFS
14.8 Setting a Secure umask
14.9 Finding World-Writable Directories in Your $PATH
14.10 Adding the Current Directory to the $PATH
14.11 Using Secure Temporary Files
14.12 Validating Input
14.13 Setting Permissions
14.14 Leaking Passwords into the Process List
14.15 Writing setuid or setgid Scripts
14.16 Restricting Guest Users
14.17 Using chroot Jails
14.18 Running As a Non-root User
14.19 Using sudo More Securely
14.20 Using Passwords in Scripts
14.21 Using SSH Without a Password
14.22 Restricting SSH Commands
14.23 Disconnecting Inactive Sessions
15. Advanced Scripting
15.1 Finding bash Portably for #!
15.2 Setting a POSIX $PATH
15.3 Developing Portable Shell Scripts
15.4 Testing Scripts in VMware
15.5 Using for Loops Portably
15.6 Using echo Portably
15.7 Splitting Output Only When Necessary
15.8 Viewing Output in Hex
15.9 Using bash Net-Redirection
15.10 Finding My IP Address
15.11 Getting Input from Another Machine
15.12 Redirecting Output for the Life of a Script
15.13 Working Around "argument list too long" Errors
15.14 Logging to syslog from Your Script
15.15 Sending Email from Your Script
15.16 Automating a Process Using Phases
16. Configuring and Customizing bash
16.1 bash Startup Options
16.2 Customizing Your Prompt
16.3 Change Your $PATH Permanently
16.4 Change Your $PATH Temporarily
16.5 Setting Your $CDPATH
16.6 Shortening or Changing Command Names
16.7 Adjusting Shell Behavior and Environment
16.8 Adjusting readline Behavior Using .inputrc
16.9 Keeping a Private Stash of Utilities by Adding ~/bin
16.10 Using Secondary Prompts: $PS2, $PS3, $PS4
16.11 Synchronizing Shell History Between Sessions
16.12 Setting Shell History Options
16.13 Creating a Better cd Command
16.14 Creating and Changing into a New Directory in One Step
16.15 Getting to the Bottom of Things
16.16 Adding New Features to bash Using Loadable Built-ins
16.17 Improving Programmable Completion
16.18 Using Initialization Files Correctly
16.19 Creating Self-Contained, Portable RC Files
16.20 Getting Started with a Custom Configuration
17. Housekeeping and Administrative Tasks
17.1 Renaming Many Files
17.2 Using GNU Texinfo and Info on Linux
17.3 Unzipping Many ZIP Files
17.4 Recovering Disconnected Sessions Using screen
17.5 Sharing a Single bash Session
17.6 Logging an Entire Session or Batch Job
17.7 Clearing the Screen When You Log Out
17.8 Capturing File Metadata for Recovery
17.9 Creating an Index of Many Files
17.10 Using diff and patch
17.11 Counting Differences in Files
17.12 Removing or Renaming Files Named with Special Characters
17.13 Prepending Data to a File
17.14 Editing a File in Place
17.15 Using sudo on a Group of Commands
17.16 Finding Lines in One File But Not in the Other
17.17 Keeping the Most Recent N Objects
17.18 Grepping ps Output Without Also Getting the grep Process Itself
17.19 Finding Out Whether a Process Is Running
17.20 Adding a Prefix or Suffix to Output
17.21 Numbering Lines
17.22 Writing Sequences
17.23 Emulating the DOS Pause Command
17.24 Commifying Numbers
18. Working Faster by Typing Less
18.1 Moving Quickly Among Arbitrary Directories
18.2 Repeating the Last Command
18.3 Running Almost the Same Command
18.4 Substituting Across Word Boundaries
18.5 Reusing Arguments
18.6 Finishing Names for You
18.7 Playing It Safe
19. Tips and Traps: Common Goofs for Novices
19.1 Forgetting to Set Execute Permissions
19.2 Fixing "No such file or directory" Errors
19.3 Forgetting That the Current Directory Is Not in the $PATH
19.4 Naming Your Script Test
19.5 Expecting to Change Exported Variables
19.6 Forgetting Quotes Leads to "command not found" on Assignments
19.7 Forgetting That Pattern Matching Alphabetizes
19.8 Forgetting That Pipelines Make Subshells
19.9 Making Your Terminal Sane Again
19.10 Deleting Files Using an Empty Variable
19.11 Seeing Odd Behavior from printf
19.12 Testing bash Script Syntax
19.13 Debugging Scripts
19.14 Avoiding "command not found" When Using Functions
19.15 Confusing Shell Wildcards and Regular Expressions
A. Reference Lists
- bash Invocation
- Prompt String Customizations
- ANSI Color Escape Sequences
- Built-in Commands and Reserved Words
- Built-in Shell Variables
- set Options
- shopt Options
- Adjusting Shell Behavior Using set, shopt, and Environment Variables
- Test Operators
- I/O Redirection
- echo Options and Escape Sequences
- printf
- Date and Time String Formatting with strftime
- Pattern-Matching Characters
- extglob Extended Pattern-Matching Operators
- tr Escape Sequences
- Readline Init File Syntax
- emacs Mode Commands
- vi Control Mode Commands
- Table of ASCII Values
B. Examples Included with bash
- Startup-Files Directory Examples
C. Command-Line Processing
- Command-Line Processing Steps
D. Revision Control
- CVS
- Subversion
- RCS
- Other
E. Building bash from Source
- Obtaining bash
- Unpacking the Archive
- What's in the Archive
- Who Do I Turn To?
- Index
... weniger
Autoren-Porträt von Carl Albing, J. P. Vossen, Cameron Newham
Carl Albing writes software for some of the biggest and fastest computers in the world. A software engineer for Cray, Inc. and an independent consultant, he is comfortable programming with C, Java, bash and much more. Carl is the coauthor of two books, one on Java development on Linux and his latest, the O'Reilly "bash Cookbook". A software consultant, manager, analyst and programmer with an amazing breadth of software experience, Carl has worked with companies in the US, Canada and Europe. He has worked for large companies and small startups, in technical as well as in managerial and marketing roles. Carl's software projects, past and present, involve the design and development of distributed computing software, medical image processing applications, compilers, medical devices, web-based factory floor automation, and more. Carl's education includes graduate work in Computer Science as well as a degree in Mathematics and an International MBA. He has spoken at conferences and training seminars in the US, Canada and Europe as well as local high schools and colleges. Carl enjoys speaking at user groups and seminars on Linux, C, and Java topics. You can visit http://www.carlalbing.com for his contact information.
Bibliographische Angaben
- Autoren: Carl Albing , J. P. Vossen , Cameron Newham
- 2007, Maße: 17,9 x 23,3 cm, Kartoniert (TB), Englisch
- Verlag: O'Reilly Media
- ISBN-10: 0596526784
- ISBN-13: 9780596526788
Sprache:
Englisch
Rezension zu „bash Cookbook “
"Das Buch ist klar strukturiert und bietet unzählige Beispiele zur Arbeit mit der Bash-Shell. Einsteiger, die anhand von Beispielen die Bash-Nutzung lernen wollen, werden Schritt für Schritt an die Materie herangeführt. Lesen und Probieren helfen beim Verständnis. Aber auch Fortgeschrittene und Kenner der Bash bekommen reichlich Tipps und Anregungen zur effizienten Nutzung des Tools. Zusätzlich erweist sich das Bash-Cookbook als nützliche Quelle zum Nachschlagen." - AMIGA-MAGAZIN, Ausgabe 8, August 2007"Selbst Unix-Gurus grübeln hin und wieder über dem ein oder anderen Skript-Problem. Abhilfe schafft hier das bash Cookbook, eine umfangreiche Sammlung von praktischen Codeschnipseln. Hier finden sich Lösungen für alltägliche und nicht ganz alltägliche Fragestellungen, die beim Arbeiten immer wieder auftauchen. Auf rund 600 Seiten geht es dabei pragmatisch zu: Statt mit ebenso kunstvollen wie komplexen Konstrukten zu glänzen, raten dei Autoren, lieber leicht lesbaren Code zu schreiben. So stellen Sie sicher, dass Sie auch anderthalb Jahre und drei Projekte später noch verstehen, was Sie programmiert haben." - Linux User, Ausgabe 09, August 2007
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