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Strigi

This article is about the computer software Strigi. For the order of Strigiformes birds, see Owl.
Strigi
Developer(s)Jos van den Oever
Flavio Castelli
Final release
0.7.8[1] / February 5, 2013; 11 years ago (2013-02-05)
Repository
Written inC++
Operating systemLinux
TypeSearch tool
LicenseLGPL
Websitesourceforge.net/projects/strigi

Strigi was a file indexing and file search framework (see desktop search) adopted by KDE SC. Strigi was initiated by Jos van den Oever. Strigi's goals are to be fast, use a small amount of RAM, and use flexible backends and plug-ins.[2] A benchmark as of January 2007 showed that Strigi is faster and uses less memory than other search systems,[3] but it lacks many of their features[citation needed]. Like most desktop search systems, Strigi can extract information from files, such as the length of an audio clip, the contents of a document, or the resolution of a picture; plugins determine what filetypes it is capable of handling.[4] Strigi uses its own Jstream system which allows for deep indexing of files. Strigi is accessible via Konqueror, or by clicking on its icon, after adding it to KDE's Kicker or GNOME Panel. (In GNOME desktop, it is called the Deskbar applet.) The graphical user interface (GUI) is named Strigiclient.[4]

It was replaced with Recoll in KDE5 Plasma desktop environment.

Features

  • SHA-1 hash for every file indexed to find duplicates
  • As of July, 2007 Strigi supports indexing the contents of plain text, PDF, MP3, archives, Debian and RPM packages, and OASIS OpenDocument text (odt), spreadsheet (ods) and presentation (odp) files
  • D-Bus and socket support for communication between the daemon and search program
  • Small memory footprint
  • Xesam query language support
  • Very portable, currently runs on Linux, Solaris, FreeBSD,[5] Mac OS X and Windows
  • Pluggable backend: Lucene and HyperEstraier, SQLite and Xapian backends are being worked on
  • inotify and synchronization to filesystem are being attempted.[2]
  • Strigi's indexing can be stopped manually, and will suspend itself if running on a laptop's batteries, disk drive runs out of space,[6] and/or runs in the background until the CPU is not busy with tasks that the computer-user is waiting on the CPU for.[3]

Operating systems and desktops

Strigi used to be a core component of the KDE Software Compilation's semantic desktop. Strigi and NEPOMUK used to work together to help create a semantic desktop search. NEPOMUK allows the user to add metadata, which Strigi would index for a more precise search. It has since been replaced with a home-grown solution, the nepomuk-metadata-extractor.[7]

GNOME has an optional applet to search for files using Strigi, named Deskbar.[8] Deskbar is included in the GNOME desktop of Ubuntu 8.10, for example.

See also

References

  1. ^ "Strigi ChangeLog". Retrieved 2017-07-18.
  2. ^ a b "Strigi's features". Strigi. Archived from the original on 2007-12-27. Retrieved 2017-07-18.
  3. ^ a b "Official: Strigi fastest and smallest". blogs.kde.org. 2007-01-17. Retrieved 2017-07-18.
  4. ^ a b "Index and search with KDE's new Strigi". Linux.com. Retrieved 2013-10-21.
  5. ^ "FreeBSD Ports Search". Archived from the original on 30 July 2012.
  6. ^ "Strigi Reloaded - The Answer to all our Problems? Hopefully to a few of them. | blogs.kde.org". Kdedevelopers.org. 2008-07-23. Archived from the original on 2014-08-19. Retrieved 2013-10-21.{{cite web}}: CS1 maint: unfit URL (link)
  7. ^ "[Nepomuk] [RFC] New File Indexer". Mail.kde.org. 10 September 2012. Retrieved 2013-10-21.
  8. ^ "Debian - Details of package deskbar-plugins-strigi in sid". Packages.debian.org. Retrieved 2013-10-21.
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