![]() ![]() ![]() (actually, it stores the hash of a "normalized" version of the filename, Not case-preserving, it stores a "normalized" version of the filename One way to create a case insensitive "filesystem" is to just ignore Is used and all intermediate directories just listed. Path Separatorįilesystems are usually hierarchical, which means there can beĭirectories (also called folders), and to represent a "path" to aĬertain file in the directory tree, a path separator character Is a property of a filesystem rather than an operating system, butĪs always, defaults matter. MacOS, it's case-insensitive by default, but it is an option whenįormatting a new partition (with HFS+ or APFS). On Linux and other UNIX-like operating systems, native filesystems are If you save as HeLLo.txt, it will still preserve that case and not Means that even if they consider hello.txt and HELLO.TXT the same, If you try to open the uppercase version, and the lowercase versionĮxists, the lowercase version will be opened.įilesystems can have other properties, such as case-preserving, which That the files hello.txt and HELLO.TXT are actually the same file, On Windows, the filesystem is usually case insensitive, which means WAD as a "filesystem in a file", and opening/closing files from thatįilesystem will involve looking up files by name). Properties of file systems that will become important (we can view a Previous post: The WAD file format of WipEout Pure and Pulse (PSP)Īs hinted at in the previous post, the filenameįield in the WAD header (a 32-bit unsigned integer) is just a modifiedĬRC32 of the actual filename (with some normalization applied).īut before we get to the actual algorithm, let's talk about two ![]()
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