主题：LinuxCBT Awk & Sed Edition - Awk & Sed编程视频教程

LinuxCBT Scripting Edition - LinuxCBT Awk & Sed Edition

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LinuxCBT Awk & SedEdition focuses on the common Linux | Unix text transformation utilities: Awk & Sed.

Awk & Sed are critical to efficiently parsing textual data (log file contents, data feeds, file & directory listings, etc.). Awk provides field (Column) processing and reporting, whereas Sed facilitates streams (Automated Text Editing) processing. Both support interactive and non-interactive (scripted) execution.

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[replyview]LinuxCBT.Awk-Sed.Edition[www.TopSage.com].iso[/replyview]

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LinuxCBT Scripting Edition - Awk & Sed - Module 6

• Introduction - Features
  • Discuss course outline
  • Explore system configuration
  • Identify key systems to be used
  • Install the Bluefish graphical editor - Supports POSIX and PERL-compatible RegExes
  • Discuss features common and distinct to: Awk and Sed
• Regular Expressions Review
  • Enumerate important metacharacters
  • Provide examples of quatinfier usage
  • Apply simple character classes to searches
  • Perform searches in the Bluefish editor using literals and metacharacters
  • Explain and apply anchors: '^', '$'
• Intro to Sed - Stream Editor
  • Discuss features and applications
  • Explain general usage syntax
  • Print specific lines from input
  • Delete specific lines from input
  • Match streams using RegExes
  • Search for ranges of text using line numbers and text ranges
  • Save transformed output
• Sed - Search & Replace
  • Discuss features and applications
  • Discuss Left-hand and Righ-hand side (LHS | RHS) sections in search & replace actions
  • Acquire input from: STDIN, PIPES and Files and transform according to criteria
  • Backup and overwrite source files using Sed one-liners
  • Perform substitutions based on matched addresses
  • Reuse matched strings in replacement output
  • Perform text substitutions across multiple files
  • Perform multiple replacements in one command
  • Apply substitutions globally across all matches
• Sed - Scripts
  • Discuss features and applications
  • Explain general usage syntax
  • Create script to remove blank lines from input stream
  • Create script to make general substitutions
  • Perform case-insensitive replacements via Sed script
  • Insert strings into desried location in the input stream via Sed script
  • Strip trailing numeric values from input stream via Sed script
  • Apply changes to multiple files
  • Save scripts for reuse
• Intro to Awk - Field Processor & Reporter
  • Discuss features and benefits
  • Explain general usage syntax
  • Print full lines from input
  • Print desired fields from input
  • Match patterns using RegExes
  • Control the input field | column delimiters
  • Save output
• Awk - Scripts
  • Discuss features and benefits
  • Explain structure of Awk scripts
  • Implement BEGIN and END blocks
  • Parse system files using Awk script
• Awk - Variables
  • Discuss features and applications
  • Enumerate and discuss key Awk system variables
  • Increment counters based on matched patterns using Awk
  • Explain variable concatenation
  • Explore arrays (lists of values)
  • Create arrays using the split function
• Awk - Operators
  • Discuss features and applications
  • Explore Boolean and Relational operators
  • Discuss looping strategies
  • Evaluate conditional testing using system variables
  • Evaluate results
• Awk - Process Records
• Discuss features and benefits
• Define and evaluate multiple input field separators with files with mixed delimiters
• Normalize output by controlling the Output Field Separator (OFS)
• Extract records from system file and evaluated
• Account for number of processed and matched records in END block
• Awk - Print Formatting
  • Discuss features and applications
  • Compare and contrast 'print' and 'printf' output formatting
  • Discuss 'printf' supported data types
  • Evaluate 'printf' application in reporting
• Awk & Sed - Various Examples
  • Discuss features and applications
  • Parse and cleanup HTML and PHP files with Sed & Awk
  • Replace values in system file with Awk
  • Evaluate results
• Awk & Sed - Win32
  • Discuss features and benefits
  • Download and install Awk & Sed for Win32
  • Transfer Linux files to Windows
  • Test various parsing and substitution on Linux files
  • Evaluate results
• 
  

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