Solutions: Using local variables in functions, loops, and arithmetic - Linux Tutorial

Contents

• Introduction Introduction

  • Welcome

    1m 1s
  • What you should know

    16s
  • Using the exercise files

    17s
• 1. Intro to Bash Scripting 1. Intro to Bash Scripting

  • Exploring the Bash documentation

    1m 57s
  • Setting the script interpreter and permissions

    6m 29s
  • Time commands and set variables

    9m 10s
  • Bash startup

    4m 28s
  • Sourcing and aliasing with bash

    5m 34s
  • Displaying text with the echo command

    4m 10s
  • Challenges: Scripts with exported variables, sourcing, and echo

    2m 6s
  • Solutions: Scripts with exported variables, sourcing, and echo

    4m 20s
• 2. Variables, Control Structures, and Arithmetic 2. Variables, Control Structures, and Arithmetic

  • The typeset and declare commands for variables

    5m 7s
  • Looping with for/while sequences and reading input

    14m 20s
  • Defining functions and using return and exit

    6m 29s
  • Using file descriptors, file redirection, pipes, and here documents

    16m 52s
  • Control-flow case statements and if-then-else with the test command

    10m 11s
  • Using arithmetic operators

    2m 27s
  • Challenges: Using local variables in functions, loops, and arithmetic

    2m 44s
  • Solutions: Using local variables in functions, loops, and arithmetic

    4m 2s
• 3. Using Filters and Parameter Expansion 3. Using Filters and Parameter Expansion

  • Defining filters and using head, tail, and wc

    5m 3s
  • Using sed and AWK for more powerful scripting

    13m 22s
  • Positional parameters and operators with braces

    10m 7s
  • Challenges: Looping, special variable operators, sed, and AWK

    1m 54s
  • Solutions: Looping, special variable operators, sed, and AWK

    2m 25s
• 4. Advanced Bash 4. Advanced Bash

  • Using the coproc command

    5m 53s
  • Debugging scripts with -x and -u options

    4m
  • Signals and traps

    4m 14s
  • Using the eval and getopt commands

    6m 47s
  • Challenges: Debugging scripts using trap, eval, getopt, and coproc

    2m 49s
  • Solutions: Debugging scripts using trap, eval, getopt, and coproc

    7m 22s
• Conclusion Conclusion

  • Next steps

    26s