Which selects the corresponding template variable: To find the template result field I need to modify, I position my cursor on the string I want to modify inside the ASCII dump, I right-click and select “Jump To Template Variable”: class template, hoping that the template will make it clear to me what needs to be changed. class files, that why I’m using 010 Editor’s. I’m not familiar with the internal structure of. java files remain valid: for example, if there is something in that structure like a field length, I need to change the field length too. Into something like “1.2 (20210922a)”.ĭoing so will make the string longer, thus I need to add a byte to the file (trivial), but I also need to make sure that the binary structure of. For example, the first field I selected here, u4 magic, is the magic header of a. Under the hex/ascii dump, the template results are displayed: a set of nested fields that match the internal structure of. Here is how you can apply a template manually, in case the file extension is not the original extension:Īnd this is how the template results look like: That’s what I wanted to know: is there a template for. class extension and installed and ran the template for. When opening the file, 010 Editor recognized the. Here is the file opened inside the editor: Before going the route of decompiling / editing / recompiling, I tried with 010 Editor. class file: extend a string inside that class. It’s a powerful binary editor with scripting and templates. 010 Editor is one of few commercial applications that I use daily.
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