Quote:
Originally Posted by Zora
... That won't fix the pdb and prc problems, but I am resigned to converting and renaming hundreds? thousands? of files. ...
|
BTW, PDB files are
never MOBI format. Prior to using the newer extensions, MOBI files always used the PRC extension.
The old PalmOS only accepted two file structures, he PDB (Palm DataBase) and PRC (Palm ResourCe). Palm apps were required to use PRC and most data files used PDB. When MOBI created their file format, a derivitive of the original Open EBook initiative that later gave birth to ePub, they chose to use the compiled PRC format rather than the more text-like PDB database format. This allows them to include more features (read: images) in their ebooks than other popular ebook formats of the day (PalmReader and PalmDOC) which used the PDB format. There were a few other ebook formats that also used PRC as their container format.
Early MOBI reader software supported the PalmDOC format ebooks in addition to the MOBI format. Some of the newst Amazon Kindle (nee MobiPocket) reading software has dropped support for the antique Palm oriented formats. They also no longer support the earliest versions of the MOBI format seen in the older of the PRC MOBI files. As with other "antique" orphaned formats, calibre is your friend.