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Originally Posted by slussen2
Ok, I deleted everything to do with Webster 1913 & started again from scratch, changing the names of the downloaded .001 & .002 files (having unchecked the "hide..." box). This time I was left with a Webster 1913 folder and inside it the Webster 1913.prc file. This I've dragged and dropped to my Mobipocker Reader awaiting export to an SD card.
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Oh, good!
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It's all a bit mysterious to me. I have no idea why you change the names of the 2 files, why you use 7-zip, and why you end up with a .prc file. But then I'm a novice in these things....
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The basic problem is the size of the dictionary and limitations of the site.
The largest file MobileRead can accept as an upload is 10MB. The dictionary is larger than that, even in a Zip file. (And it won't compress appreciably anyway -- it's already in a high compression format.)
In order to provide it on Mobileread, the Zip file had to be split into two parts to keep the file size of an individual part within the 10MB MobileRead limit.
The next problem is that MobileRead can't have files uploaded with extensions like .001 and .002. It won't know how to handle them. So the two parts of the archive had to have .zip tacked on as an extension.
7-Zip is recommended as the archive tool because it knows how to deal with multi-part archives. Point it at the .001 file, and it will recognize that it's part one, find the other parts, combine them, and extract the contents.
But that's why the parts had to be renamed once you downloaded them, to remove the spurious .zip extension. 7-Zip will recognize a file named Webster1913.001 as part one of a multi-part Zip file and look for and combine the other parts with it. It
won't recognize Webster1913.001.zip as part one of an archive. It is going solely by the file extension on the file, and when it sees the .zip, it thinks it's a complete archive and doesn't look for the rest. It's not a complete archive, so attempts to extract the content bomb.
Clearer now?
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Dennis