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Ludwig Lehnert
2026-10-03 14:53:48 +00:00
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@@ -77,7 +77,7 @@ The catalog includes active Data folders and each user's own Private folder. Eve
Linux filesystem events update the filename catalog as files change, with periodic scans recovering missed events. Text extraction and OCR run through a persistent background queue; files become searchable by filename before content extraction finishes. Search updates while typing, and open views refresh every two seconds to show completed extraction. Full-text queries match word prefixes and ignore accents; filename-only queries also match substrings.
Content extraction supports PDFs, UTF-8/UTF-16 text files, modern Office formats (`docx`, `xlsx`, `pptx`), and OpenDocument formats (`odt`, `ods`, `odp`). PDFs and common images receive a first-page/image thumbnail. PDFs open in a fullscreen dialog with the locally bundled Mozilla PDF.js viewer, including page navigation, zoom, thumbnails and search within native PDF text. PDF loading and byte-range requests check current folder access. Other formats, including legacy binary Office files, remain searchable by filename. Extracted text is limited to 2 MiB per file; encrypted, damaged, or oversized documents may have no searchable content.
Content search indexes only PDFs, Word documents (`docx`, `odt`) and PowerPoint presentations (`pptx`, `odp`). All file types remain searchable by filename, including text, Markdown, spreadsheets and images. Existing extracted content from excluded types is removed from the derived search index on upgrade; original files and filename entries remain intact. PDFs and common images receive a first-page/image thumbnail. PDFs open in a fullscreen dialog with the locally bundled Mozilla PDF.js viewer, including page navigation, zoom, thumbnails and search within native PDF text. PDF loading and byte-range requests check current folder access. Legacy binary Office formats (`doc`, `ppt`) remain searchable by filename. Extracted text is limited to 2 MiB per file; encrypted, damaged, or oversized documents may have no searchable content.
PDFs containing raster images and pages with little extracted text are queued for local OCR using OCRmyPDF and Tesseract, with German and English enabled by default. Native text remains searchable while OCR is pending. OCR text is used for search. No file type displays a separate extracted document-text panel in its dialog. The PDF viewer displays the original PDF. Downloads always return the original file. No OCR replacement or separate OCR PDF is published. Failed jobs retry with backoff, and pending work survives restarts.