Shell programming

• 7 ways to run shell commands in ruby
• Add a binary payload to your shell scripts
• Awk tips
  • 8 powerful awk built-in variables – fs, ofs, rs, ors, nr, nf, filename, fnr
  • Awk built-in string functions with sample
  • Control statements of awk
  • Awk 命令
  • Pass shell variables to awk
• Bash tips
  • 15 useful bash shell built-in commands (with examples)
  • Bash for loop examples
  • Bash for loop with a range of numbers
  • Bash options
  • Bash parameter expansion
  • Bash string processing
  • Change your prompt string for bash
  • Conditions in bash scripting (if statements)
  • A running bash script is hung somewhere. can i find out what line it is on?
  • How to: change / setup bash custom prompt (ps1)
  • How to run an alias in a shell script?
  • Howto: use bash for loop in one line
  • I/o redirection in bash
  • If in bash
  • Manipulating strings in bash
  • Operators in bash
  • Performing math calculation in bash
  • Printf in bash
  • Quick hex / decimal conversion using cli
  • Split line into words in bash
  • Tmout – automatically exit unix shell when there is no activity
  • Using getopts in bash shell script to get long and short command line options
• Korn shell
  • Greper
  • Korn shell arrays
  • Korn shell variables
  • Korn shell
  • Ksh 笔记
  • Korn shell tips
  • Korn shell file options (condition check)
  • String operators (korn shell)
  • Use arrow key in interactive ksh script
• Print without new line
• Unix command：read
• Sed
  • Regexp
• Sed, a stream editor
• Stderr redirection
• Tcsh
  • Stderr rediection
• Tcsh programming