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Agrep: Overview & Alternative implementations

agrep (approximate grep) is an open-source approximate string matching program, developed by Udi Manber and Sun Wu between 1988 and 1991, for use with the Unix operating system. It was ported to OS/2, MS-DOS, and Windows.

Language: English [EN]
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Agrep topic overview

The analysis highlights Overview and Alternative implementations as prominent areas in the source structure around Agrep.

Related topics
16
Source areas
2
Connected nodes
18
Extracted relationships
33
Concept neighborhoods
16
Bridge connections
18

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 13 topics
Alternative implementations · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developers
Udi Manber · Sun Wu
License
ISC open source license
Operating system
Unix-like · OS/2 · MS-DOS · Windows
Release
1988; 38 years ago (1988)
Repository
github.com/Wikinaut/agrep
Stable release
3.41.5

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Alternative implementations

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Agrep connects Entity context

The extracted context around Agrep shows recurring relationship patterns in the source. For example, Agrep → BSD-like, FREJ, Fuzzy Regular Expressions, However, It, Java, TRE, Unicode, Unlike, Unlike Wu-Manber, Wu-Manber Another extracted example is Agrep → Makefile, Oline, OSX, See, To, Unix, Wno-return-typeto, Wu-Manber. Use these groups to spot repeated connection types before inspecting the individual relationships.

Agrep

Top relations

related to Alternative implementations · 11
Agrep → BSD-like, FREJ, Fuzzy Regular Expressions, However, It, Java, TRE, Unicode, Unlike, Unlike Wu-Manber, Wu-Manber
related to External links · 8
Agrep → Makefile, Oline, OSX, See, To, Unix, Wno-return-typeto, Wu-Manber
Operating system · 4
Agrep → MS-DOS, OS/2, Unix-like, Windows
Developers · 2
Agrep → Sun Wu, Udi Manber
License · 1
Agrep → ISC open source license
Release · 1
Agrep → 1988; 38 years ago (1988)
Repository · 1
Agrep → github.com/Wikinaut/agrep
Stable release · 1
Agrep → 3.41.5
Type · 1
Agrep → Pattern matching
Website · 1
Agrep → www.tgries.de/agrep

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

tre matching manber string also license ms-dos windows program udi sun wu 1988 operating system os isc open-source unix regular

Agrep relationships Subject–Predicate–Object triples

TTTA extracted 33 structured relationships around Agrep. Examples in this analysis include Agrep → Developers → Udi Manber and Agrep → Developers → Sun Wu. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
AgrepDevelopersUdi Manber1.00infobox
AgrepDevelopersSun Wu1.00infobox
AgrepLicenseISC open source license1.00infobox
AgrepOperating systemUnix-like1.00infobox
AgrepOperating systemOS/21.00infobox
AgrepOperating systemMS-DOS1.00infobox
AgrepOperating systemWindows1.00infobox
AgrepRelease1988; 38 years ago (1988)1.00infobox
AgrepRepositorygithub.com/Wikinaut/agrep1.00infobox
AgrepStable release3.41.51.00infobox
AgrepTypePattern matching1.00infobox
AgrepWebsitewww.tgries.de/agrep1.00infobox
AgrepWritten inC1.00infobox
Agrepis acommand-line tool provided with the TRE regular expression library0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Agrep bring nearby vocabulary together. In this analysis, examples include Tre, License and Manber. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Agrep
    • Tre
    • License
    • Manber
    • String
    • Wu-manber
    • Matching
    • Algorithm
    • Approximate
    • Bitap
    • Command-line
    • Isc
    • Library
  • agrep
    • Tre
    • License
    • Manber
    • String
    • Wu-manber
    • Matching
    • Algorithm
    • Approximate
    • Bitap
    • Command-line
    • Isc
    • Library
  • approximate string matching
    • Unix
    • Algorithm
    • Bitap
    • String
    • Developed
    • Grep
    • Matching
    • Operating
    • See
    • Sun
    • System
    • Tool
  • udi manber
    • System
    • Wu
    • Isc
    • Operating
    • Program
    • Sun
    • Udi
    • Also
    • License
    • String
    • Use
    • Matching
  • isc license
    • License
    • Manber
    • Selects
    • Command-line
    • Library
    • Ms-dos
    • Operating
    • Os
    • Pattern
    • Program
    • See
    • Sun
  • 2-clause bsd-like license
    • Manber
    • Selects
    • Tre
    • Command-line
    • Library
    • Ms-dos
    • Operating
    • Os
    • Pattern
    • Program
    • See
    • Sun
  • ms-dos
    • Os
    • Windows
    • Ported
    • Command-line
    • Isc
    • Library
    • Operating
    • Pattern
    • See
    • Sun
    • System
    • Tool
  • open-source
    • Use
    • Command-line
    • Could
    • Expressions
    • Library
    • Operating
    • Program
    • Sun
    • System
    • Udi
    • Unix
    • Used

Connections between topic areas Semantic bridges

For Agrep, one of the stronger structural bridges in this analysis connects Agrep with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
AgrepOverview · splits 5 ⟂ 14
AgrepAlternative implementations · splits 15 ⟂ 4

Map overview Semantic statistics

Agrep

Nodes19
Edges18
Triples33
Avg. degree1.89
Density0.105263
Components1

Source & methodology

TTTA analyzes the structure around Agrep to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Overview & Alternative implementations, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Agrep · EN edition · Analysis: TopicsToTalkAbout

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