I don't know if someone will become interested in that, but at about a week ago I needed to extract the text files located in a .DSK image made from a Pravetz8M diskete (Pravetz8M is an 8 bit PC using dos 3.3 made in Bulgaria in the early 80-s). This is why I made a software that extracts the text files T. files from the image as a .TXT files that can be red on text editors for Windows and Linux. In case some one want he or she can download it for free. Here is the address: http://www.DSKextr.hit.bg/Index.html
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Is there something different about Pravetz8M .DSK images from other DOS 3.3 images? There are already several file extractors out there:
Of course, it's always more fun to write one of your own...
In the Pravetz8 PC images can be recognized .A and .B files that are with diferent file type description - I don't know about if in the other .DSK images there are such distinguashes - I know only from my books over Pravetz that the A. and B. files made with Pravetz8 have +$80 in the file type description than the usual A. and B. files that come originally with diskets. I marked the two different descriptions with double letter infront of the one, like AA. and BB. and single letter infront of the other type, like A. and B. in the file names in the catalog list. I can't see other diferences. I posted the link to the program, because I thought that I am the only one that needed to deal with extracting text files from .DSK files
As far as I can see from the web sites the other extractors are further with the material. These options that they offer also can be made with the language that I use, however it will take me quite much time and I have not such at the moment. As for multiplatform, the program is writen in Lazarus - legally free equivalent of Delphy - and it's source code can be compiled for many platforms - Windows, Linux, BeOs, Mac and even to PocketPC. Maybe some day I will go back to the prject and do these improvements, but it will not be soon.
Adding a reply because of a several emails to me asking about a problem with the text file extractor - the answer -> some of the extracted files do not open correctly, because the extractor supports cyrilic, so some of the chars appear strange for those who have no cyrilic - if yo have a cyrilic installed on your PC you will see the actual extraction. Some day when I have more time will add a non cyrilic support :).