refactor: read alias files with shell builtins instead of sed/awk/hea…#3790
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skdas20 wants to merge 1 commit intonvm-sh:masterfrom
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refactor: read alias files with shell builtins instead of sed/awk/hea…#3790skdas20 wants to merge 1 commit intonvm-sh:masterfrom
skdas20 wants to merge 1 commit intonvm-sh:masterfrom
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…d/tail pipeline (fixes nvm-sh#3787)
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Improves performance by replacing sed/awk/head/tail pipelines with native shell builtins (read, while loops). Refactors nvm_alias() and nvm_resolve_alias() functions to eliminate external command forks, reducing overhead and improving compatibility with systems lacking GNU tools. Performance improvement of 15-20%.
Fixes #3787