Earlier quoted context omitted.
There are some applications that will do a full text search of pdfs across directories, but seem geared towards server rather than desktop, with commensurate levels of cost and complexity. Conceptually you could use image magik and lucene to make a Linux solution, but without any added features such as summary or title. I am experimenting with a lightweight solution, but am working out which compromises are reasonabl…
After I posted, I did some searching, and it appears like something could be made using SOLR or Elasticsearch. Both seem to have methods/plugins for filesystem indexing and document importing/analysis, as well as easy interfaces to allow for any language to be used for development. Combining all of that, plus some dev work and such a search appliance looks doable for a home system, using only a single node. For the h…
One criterion I had for a lightweight solution was to not require Java. No problem with Java, just that it is a big dependency and my perception is that it is not a common install on the laptop or desktop of people reading pdfs, at least out side of the STEM stream.