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How to write idempotent Bash scripts

arslan.io · first added by @afreshcup · 2026-09-30 · 2 upvotes

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* How to write idempotent Bash scripts

655 pts · 189 comments · node

* How to write idempotent Bash scripts (2019)

330 pts · 101 comments · node

─── From the discussion ────────────────────────────────

* flock(1): Manage locks from shell scripts - Linux man page

linux.die.net · node

* https://unix.stackexchange.com/questions/228597/how-to-copy-a-folder-recursively-in-an-idempotent-way-using-cp

unix.stackexchange.com · node

* Bash Strict Mode

redsymbol.net · node

* mktemp(1): create temporary file/directory - Linux man page

linux.die.net · node

* Using the "trap" shell builtin to cleanup a tempfile safely duiring errors.

gist.github.com · node