Tony 249efaee46 feat: add --split-exp-no-overwrite flag to refuse overwriting existing files ... When using --split-exp to split documents into per-file outputs, yq silently overwrites any pre-existing files at the target paths because os.Create truncates. For workflows that generate filenames from input data (e.g. '.metadata.name + ".yml"'), this can clobber unrelated files when two documents map to the same name, or when a target path collides with something already on disk. This change adds an opt-in --split-exp-no-overwrite flag (and a matching yqlib constructor NewMultiPrinterWriterWithOptions) that uses O_WRONLY|O_CREATE|O_EXCL so existing files are left untouched and yq exits with a clear error message instead. The default behaviour (overwrite) is unchanged; the original NewMultiPrinterWriter constructor still exists and now delegates to the new options-aware constructor with noOverwrite=false. Fixes #2028		2026-05-22 05:41:48 +08:00
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yqlib	feat: add --split-exp-no-overwrite flag to refuse overwriting existing files	2026-05-22 05:41:48 +08:00