FTS desktop file search with previews
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Albert S. 785a517d62 Release v0.7 3 weeks ago
cli shared,gui,cli: Fix intra-file ordering for content search results 1 month ago
gui gui: mainwindow: Set comboPreviewFiles size policy to Maximum 1 month ago
shared shared: LimitQueue: Change limit type to int 1 month ago
submodules submodules: exile.h: Update 3 weeks ago
.gitignore Add .gitignore 4 months ago
.gitmodules Switch to exile.h 9 months ago
CHANGELOG.md Release v0.7 3 weeks ago
CONTRIBUTING.md Begin CONTRIBUTING.md 4 months ago
HACKING.md HACKING.md: Minor improvements 4 months ago
LICENSE add LICENSE 5 months ago
LICENSE-3RD-PARTY Add LICENSE-3RD-PARTY 3 months ago
README.md Release v0.7 3 weeks ago
USAGE.md USAGE.md: Update 3 weeks ago
looqs.desktop looqs.desktop: Remove absolute path to binary 4 months ago
looqs.pro Rename qss.pro to looqs.pro 1 year ago
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README.md

looqs - Full-text search with previews for your files

looqs is a tool that creates a full-text search index for your files. It allows you to look at previews where your search terms have been found, as shown in the screenshots below.

Screenshots

Preview

looqs allows you to look inside files. It highlights what you have searched for.

Screenshot looqs Screenshot looqs search fstream

Results list

Classic results list

Just enter what you want to find, it will search paths and file content. Screenshot looqs results

Searching with filters

You can be more specific to get what you want with filters

Filters (long form) Screenshot looqs results

Filters (short form)

There is no need to write the long form of filters. There are also booleans available

Screenshot looqs results

The screenshots in this section may occasionally be slightly outdated, but they are usually recent enough to get an overall impression of the current state of the GUI.

Current status

Latest version: 2022-09-10, v0.7

Please see Changelog for a human readable list of changes.

Goals and principles

  • Find & Preview. Instead of merely telling you where your search phrase has been found, it should also render the corresponding portion/pages of the documents and highlight the searched words.
  • No daemons. As some other desktop search projects are prone to have annoying daemons running that eat system resources away, this solution should make do without daemons where possible.
  • Easy setup. Similarly, there should be no need for heavy-weight databases. Instead, looqs tries to squeeze out the most from simple approaches. In particular, it relies on sqlite.
  • GUI & CLI. Provide CLI interfaces and GUI interfaces
  • Sandboxing. As reading and rendering lots of formats naturally opens the door for security bugs, those tasks are offloaded to small, sandboxed sub-processes to mitigate the effect of exploited vulnerabilities.

Features

  • GUI, CLI interface
  • Indexing of file path and some metadata.
  • Indexing of file file content for FTS search. Currently: .pdf, odt, docx, plaintext.
  • Preview of file formats: Currently: .pdf, .odt, plaintext
  • Highlight searched terms.
  • Quickly open PDF viewer or text editor at location of preview
  • Search filters

Supported platforms

Linux (on amd64) is currently the main focus. Currently, I don't plan on supporting anything else and the sandboxing architecture does not make it likely. I suppose a version without sandboxing might be conceivable for other platforms, but I have no plans or resources to actively target anything but Linux at this point.

Licence

GPLv3.

For the dependencies/third-party libraries, see: LICENSE-3RD-PARTY

Contributing

Please see the Contribution guidelines file.

Documentation

Please see USAGE.md for the user manual. There is also HACKING.md with more technical information.

Build

Debian/Ubuntu

To build on Ubuntu and Debian, clone the repo and then run:

git submodule init
git submodule update
sudo apt install build-essential qtbase5-dev libpoppler-qt5-dev libuchardet-dev libquazip5-dev
qmake
make

Void

# as root
xbps-install qt5-devel poppler-qt5-devel quazip-qt5-devel uchardet-devel gcc make
# as user
git submodule init
git submodule update
qmake
make

The GUI is located in gui/looqs-gui, the binary for the CLI is in cli/looqs

Packages

At this point, looqs is not in any official distro package repo, but I maintain some packages.

Ubuntu 22.04

Latest release can be installed using apt from the repo.

# First, obtain key, assume it's trusted.
wget -O- https://repo.quitesimple.org/repo.quitesimple.org.asc  | gpg --dearmor > repo.quitesimple.org-keyring.gpg
cat repo.quitesimple.org-keyring.gpg | sudo tee -a /usr/share/keyrings/repo.quitesimple.org.gpg > /dev/null

echo "deb [arch=amd64 signed-by=/usr/share/keyrings/repo.quitesimple.org.gpg] https://repo.quitesimple.org/debian/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/quitesimple.list
sudo apt-get update
sudo apt-get install looqs

Prebuilt tarball (distro-agnostic) (EXPERIMENTAL)

looqs is also distributed as a tarball containing prebuilt binaries and its library dependencies. The tarball is built using the Gentoo Hardened toolchain and the Qt version is smaller than what distributions usually include. It does not include libraries that should mess with fontrendering or the graphics stack. The binaries should run on any recent Linux distribution (requires glibc 2.34 or newer at least) and expects dependencies such as libGL to be provided by your distribution already (should be the case).

It's considered experimental for two reasons. Firstly, looqs has no updater (yet). You will have to manually check for updates. Secondly, I can't guarantee that I'll be quick with updates of the tarball specifically if the library versions become outdated between looqs updates.

You are therefore encouraged to use distro-native packages or to build it yourself if possible.

The tarball can be obtained here: https://repo.quitesimple.org/tarball/looqs

Quick start:

# Verify sig, see the end of this document: gpg --verify looqs-v0.4.tar.xz.sig
tar xf looqs-v0.4.tar.xz # Replace with the actual version you have obtained
cd looqs-v0.4
./looqs-gui # or ./looqs for the CLI

An AppImage may accompany the tarball in the future.

Other distros

I'll probably add a package for voidlinux at some point and maybe will provide a Gentoo ebuild. However, I would appreciate help for others distros. If you create a package, let me know!

Signature verification

Release tags can be verified with my PGP public key. For what little it's worth, its fingerprint is: C342 CA02 D2EC 2E14 F3C3 D5FF 7F7B 4C08 02CD 02F2

Packages can be verified with the repo-specific public key. For what little it's worth, its fingerprint is: 1B49 45B3 16B2 468A 3DAC C1E0 75EF 3FE8 D753 C8F9