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shell script3

Practical notes on Java, Spring, testing, and software engineering, with working examples and source references.

Oct 27, 2026Writing

Fix the Shell function Warning: POSIX sh vs Bash

Fix the non-standard function keyword warning, choose POSIX sh or Bash explicitly, and test quoted arguments and function return codes.

linux / bash / shell script↗

Oct 27, 2026Writing

Read a GitHub latest release and select one Temurin Linux x64 asset. Fail on HTTP errors, malformed JSON, and missing or ambiguous assets.

linux / bash / shell script↗

Oct 27, 2026Writing

Compare dotted numeric versions without fixed-width packing. Handle trailing zeros, long components, invalid inputs, and explicit exit statuses.

linux / bash / shell script↗