https://nalar.dev/tags/files/ Recent content in Files on Nalar Hugo en-us Tue, 01 Sep 2026 00:00:00 +0700 https://nalar.dev/atomic-file-writes-in-go/ Tue, 01 Sep 2026 00:00:00 +0700 https://nalar.dev/atomic-file-writes-in-go/ <p>Writing a file with <code>os.WriteFile</code> is simple, but it is not always the safest choice for configuration files, generated metadata, caches, state files, or other data that must never be left half-written.</p> <p>If a process crashes or the machine loses power while a file is being replaced, readers may observe incomplete content. A common way to reduce this risk is an <strong>atomic file write</strong>: write the new content to a temporary file first, then replace the destination with a rename.</p>