sist2

Lightning-fast file system indexer and search tool

Programming language: C

License: GNU General Public License v3.0 only

Tags: Search Engines    

Latest version: v2.5.0

README

Demo: sist2.simon987.net

sist2

sist2 (Simple incremental search tool)

Warning: sist2 is in early development

[search panel](docs/sist2.png)

Features

• Fast, low memory usage, multi-threaded
• Mobile-friendly Web interface
• Portable (all its features are packaged in a single executable)
• Extracts text and metadata from common file types *
• Generates thumbnails *
• Incremental scanning
• Manual tagging from the UI and automatic tagging based on file attributes via [user scripts](docs/scripting.md)
• Recursive scan inside archive files **
• OCR support with tesseract ***
• Stats page & disk utilisation visualization

* See format support
** See Archive files
*** See OCR

[stats](docs/stats.png)

Getting Started

1. Have an Elasticsearch (>= 6.8.X, ideally >=7.14.0) instance running
   1. Download from official website
   2. (or) Run using docker: bash docker run -d -p 9200:9200 -e "discovery.type=single-node" elasticsearch:7.14.0
   3. (or) Run using docker-compose: yaml elasticsearch: image: docker.elastic.co/elasticsearch/elasticsearch:7.14.0 environment: - discovery.type=single-node - "ES_JAVA_OPTS=-Xms1G -Xmx2G"

2. Download sist2 executable

   1. Download the latest sist2 release. Select the file corresponding to your CPU architecture and mark the binary as executable with chmod +x *
   2. (or) Download a development snapshot (Not recommended!)
   3. (or) docker pull simon987/sist2:2.12.1-x64-linux

3. See [Usage guide](docs/USAGE.md)

* Windows users: sist2 runs under WSL

Example usage

See [Usage guide](docs/USAGE.md) for more details

1. Scan a directory: sist2 scan ~/Documents -o ./docs_idx
2. Push index to Elasticsearch: sist2 index ./docs_idx
3. Start web interface: sist2 web ./docs_idx

Format support

File type	Library	Content	Thumbnail	Metadata
pdf,xps,fb2,epub	MuPDF	text+ocr	yes	author, title
cbz,cbr	libscan	-	yes	-
audio/*	ffmpeg	-	yes	ID3 tags
video/*	ffmpeg	-	yes	title, comment, artist
image/*	ffmpeg	ocr	yes	Common EXIF tags, GPS tags
raw, rw2, dng, cr2, crw, dcr, k25, kdc, mrw, pef, xf3, arw, sr2, srf, erf	LibRaw	no	yes	Common EXIF tags, GPS tags
ttf,ttc,cff,woff,fnt,otf	Freetype2	-	yes, bmp	Name & style
text/plain	libscan	yes	no	-
html, xml	libscan	yes	no	-
tar, zip, rar, 7z, ar ...	Libarchive	yes*	-	no
docx, xlsx, pptx	libscan	yes	if embedded	creator, modified_by, title
doc (MS Word 97-2003)	antiword	yes	yes	author, title
mobi, azw, azw3	libmobi	yes	no	author, title
wpd (WordPerfect)	libwpd	yes	no	planned
json, jsonl, ndjson	libscan	yes	-	-

* See Archive files

Archive files

sist2 will scan files stored into archive files (zip, tar, 7z...) as if they were directly in the file system. Recursive (archives inside archives) scan is also supported.

Limitations:

• Support for parsing media files with formats that require seek (e.g. .gif, .mp4 w/ fragmented metadata etc.) is limitted (see --mem-buffer option)
• Archive files are scanned sequentially, by a single thread. On systems where sist2 is not I/O bound, scans might be faster when larger archives are split into smaller parts.

OCR

You can enable OCR support for ebook (pdf,xps,fb2,epub) or image file types with the --ocr-lang <lang> option in combination with --ocr-images and/or --ocr-ebooks. Download the language data files with your package manager (apt install tesseract-ocr-eng) or directly from Github.

The simon987/sist2 image comes with common languages (hin, jpn, eng, fra, rus, spa) pre-installed.

You can use the + separator to specify multiple languages. The language name must be identical to the *.traineddata file installed on your system (use chi_sim rather than chi-sim).

Examples:

sist2 scan --ocr-ebooks --ocr-lang jpn ~/Books/Manga/
sist2 scan --ocr-images --ocr-lang eng ~/Images/Screenshots/
sist2 scan --ocr-ebooks --ocr-images --ocr-lang eng+chi_sim ~/Chinese-Bilingual/

Build from source

You can compile sist2 by yourself if you don't want to use the pre-compiled binaries

With docker (recommended)

git clone --recursive https://github.com/simon987/sist2/
cd sist2
docker build . -f ./Dockerfile -t my-sist2-image
docker run --rm --entrypoint cat my-sist2-image /root/sist2 > sist2-x64-linux

On a linux computer

1. Install compile-time dependencies

   apt install gcc g++ python3 yasm ragel automake autotools-dev wget libtool libssl-dev curl zip unzip tar xorg-dev libglu1-mesa-dev libxcursor-dev libxml2-dev libxinerama-dev gettext nasm git

1. Apply vcpkg patches, as per sist2-build Dockerfile

2. Install vcpkg dependencies

   vcpkg install curl[core,openssl]
   vcpkg install lmdb cjson glib brotli libarchive[core,bzip2,libxml2,lz4,lzma,lzo] pthread tesseract libxml2 libmupdf gtest mongoose libmagic libraw jasper lcms gumbo
   

3. Build

   git clone --recursive https://github.com/simon987/sist2/
   cmake -DSIST_DEBUG=off -DCMAKE_TOOLCHAIN_FILE=<VCPKG_ROOT>/scripts/buildsystems/vcpkg.cmake .
   make