Pathwise

Manuals / Linux Shell Daily / Chapter 2

Core · beginner · ~35 min · Chapter 2 of 3

Pipes & grep

Connect commands; find needles in logs.

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Key idea

Pipes send stdout of one command to stdin of the next.

Key ideaDrag stickies · tap for tips
Study mapDrag stickies · tap for tipsKeep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Assert the UIdrag · tap →Retry wiselydrag · tap →Seed datadrag · tap →Close the loopdrag · tap →Keep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Pathwise hackdrag · tap →Key ideadrag · tap →Go deeperdrag · tap →Follow the dashed drag · tap →
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Quick check

grep is for…

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Write 3 notes on: Pipes.

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Chapter learning outcomes
  • |
  • grep
  • head/tail

Clear these before you leave