Shell Scripting Pro

Parameter expansion, arrays, traps, and text processing.

Level up your Bash: parameter expansion, arrays, command substitution, process control, traps, and classic text tools (grep, sed, awk basics). Write scripts your future self won't hate.

Intermediate8 lessons~6h
0/8 complete

Course content

Bash Power

  • Parameter Expansion & Defaults18 min

Data Structures

  • Indexed & Associative Arrays18 min

Composition

  • Command Substitution & Process Substitution15 min

Text Processing

  • grep, sed & cut Essentials20 min

Process Control

  • Background Jobs, wait & Subshells18 min

Lifecycle

  • trap — Cleanup on Exit18 min

Literals

  • Heredocs & Here-strings15 min

Project

  • Mini Project: HTTP Log Summary25 min