tag

#pipes

3 posts

Shell & TerminalDeep Dive July 12, 2026 5 min read

Command Substitution vs Process Substitution

$(command) captures text; <(command) exposes a live stream as a path-like argument. Buffering, exit-status visibility, and portability differ sharply.

#deep-dive#bash#substitution

Shell & TerminalHow-To July 12, 2026 5 min read

How to Use Named Pipes and Process Substitution Safely

FIFOs connect unrelated processes through a filesystem name; process substitution makes similar streams temporary, and both need careful failure handling.

#howto#fifo#pipes

Shell & TerminalFix July 10, 2026 4 min read

Fixing 'Broken Pipe' Errors in Shell Scripts and Pipelines

A command mid-pipeline dies with 'Broken pipe,' often only when piped into head — a specific, well-defined signal, not a random failure.

#fix#pipes#signals