![]() Meta Information Encapsulation (MIE) Meta Information Encapsulation sidecar files. The ePFA format was designed with further extensibility in mind, and has been actually extended with several features over time. Older programs relying on the PFA format would simply read or extract the file along with all others found in the volume. These were added to the PFA volume the same way as ordinary files, except they were marked by special characters in their name, and software made aware of this system (sometimes called ePFA, Extended PFA) processed them transparently. To address this limitation, a backward-compatible system of auxiliary files (as called in official documentation) was implemented to store aforementioned data in volumes without changing their format. RunPacker The MS-DOS-based self-extracting archive generator RunPacker relied heavily on sidecar files because the proprietary package format PFA ( pack file archive) used in it did not natively store file attributes or timestamps. PDF viewers which allow the reader to annotate documents with comments and drawings may store these in a sidecar file, such as Xournal's. These are then stored as WAV audio files alongside the JPEG photo file, with the same base filename. JPEG + WAV Some digital cameras allow for voice/audio annotations with photos. inf file is used to store this metadata in text format, stored in a file with the same base filename, e.g. INF Acorn filesystems support metadata such as load and execution addresses that may not be natively supported on other filesystems. This system allows for quickly displaying a still preview of the movie, and storing camera data which is not supported by the AVI file format. These thumbnail files are JFIF-encoded image files. thm (thumbnail) file alongside a recorded movie, with the same base filename as the movie file. Some versions of Internet Explorer and Microsoft Word can save an HTML and its hyperlinked assets as such a unit. The file system treats connected files as a unit for purposes of moving, copying, and deleting. DxO sidecar Similar to the XMP format, DOP sidecars store metadata and edits made through DxO PhotoLab and other DxO tools Connected Web Files and Folders A file system object that associated two or more files. Extensible Metadata Platform Extensible Metadata Platform (XMP) metadata is stored in a sidecar file when either a file format does not support embedded XMP metadata or if the workflow requires this. info extension contains metadata for a companion Amiga Hunk executable file. The problem with this system is that most operating systems and file managers have no knowledge of these relationships, and might allow the user to rename or move one of the files thereby breaking the relationship.Įxamples Amiga Hunk metadata In AmigaOS, a file with a. In most cases the relationship between the source file and the sidecar file is based on the file name sidecar files have the same base name as the source file, but with a different extension. There may also be "metadata databases" where one database contains metadata for several source files. There may be one or more sidecar files for each source file. Sidecar files, also known as buddy files or connected files, are computer files that store data (often metadata) which is not supported by the format of a source file. JSTOR ( February 2023) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. ![]() This article needs additional citations for verification.
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