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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.

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Intermediate8 lessons~6h
First lesson free

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Course content

Bash Power

  • ○Parameter Expansion & DefaultsFree18 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