kdaomega.blogg.se - Calibre epub reader

Search the new text file(s) with grep, Search > Find in Files (Ctrl+Shift+F) in Notepad++, or whichever search tool you prefer.

Optionally, merge all of the plain text books into a single "book," depending on your preferred search tool (I think you can convert and merge in one job instead of two, but only if the books are all in the same format).

Use Calibre to convert all books to plain text.

As phrased, the question seems to exclude my answer, because the search is not performed within Calibre, but it appears to be the best solution for my use case, so might be helpful to add here.