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ljkx
b5770e4283
Since #733 a flat export from the CLI keeps the document's whole XMP packet and free-form text, as Save As does; only Export As starts at Metadata: None. Batch exports of Photoshop masters therefore carry the full DocumentAncestors list (and the text of every type layer), which can be many times larger than the image, with no way to leave it out. `--metadata` is a new export option shared by `convert`, `run --out` and `batch`. `none` sets ExportOptions::xmp to XmpEmbed::None, the same path Export As's Metadata: None and Quick Export use, so the XMP packet and free-form text are dropped while the ICC profile, EXIF and resolution are written as before; PSD, PSB and .pcraft keep the XMP either way. `all` is the default, so existing scripts write the same files. Any other value is a usage error (exit 2) naming the flag, before anything is read or written. Tested through the binary for PNG, WebP, JPEG and TIFF from all three subcommands (packet present by default and with `all`, absent with `none`; pixels, ICC and resolution unchanged), layered saves, and bad values. Documented in the CLI book page and file-format parity doc.