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#arrays

2 posts

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

Bash Namerefs: Passing Variables by Name Without eval

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

Shell & TerminalHow-To August 26, 2026 5 min read

How Bash mapfile preserves complete records in indexed arrays, handles delimiters and descriptors, appends safely, and avoids pipeline subshell loss.

#bash#arrays#scripting