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#shell-scripting

2 posts

Shell & TerminalDeep Dive August 27, 2026 6 min read

Bash coproc: Bidirectional Pipes Without Building a Named-Pipe Protocol

How Bash coprocesses expose input, output, and PID handles, and how to manage descriptor lifetime, backpressure, framing, failures, and shutdown.

#bash#coproc#pipes

Shell & TerminalHow-To August 27, 2026 6 min read

How declare -n and local -n create references, work with arrays, follow dynamic scope, interact with unset, and avoid unsafe variable-name injection.

#bash#nameref#shell-scripting