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Lnav Alternatives
Similar projects and alternatives to lnav
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ripgrep
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
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SaaSHub
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prql
PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement
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GoAccess
GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.
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octosql
OctoSQL is a query tool that allows you to join, analyse and transform data from multiple databases and file formats using SQL.
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Turbo Vision
A modern port of Turbo Vision 2.0, the classical framework for text-based user interfaces. Now cross-platform and with Unicode support.
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websocketd
Turn any program that uses STDIN/STDOUT into a WebSocket server. Like inetd, but for WebSockets.
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Logdy.dev
Web based real-time log viewer. Stream ANY content to a web UI with autogenerated filters. Parse any format with TypeScript.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better lnav alternative or higher similarity.
lnav discussion
lnav reviews and mentions
Posts with mentions or reviews of lnav.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-07-27.
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SQLite: 35% Faster Than the Filesystem
There’s a tool called lnav that will parse logfiles into a temporary SQLite database and allows to analyse them using SQL features:
https://lnav.org/
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Lnav Logfile Navigator
It creates a patch file since the original file might've been modified.
> - There are lots of different filtering capabilities, but there is no unified treatment of them. For example, `:hide-lines-before` and `:filter-out` are at their core the same type of operation: filtering. I should be able to pull up a list of all filters that are currently active and easily add new ones and toggle or delete existing ones.
Adding the time filters to the "Filters" panel sounds like a reasonable request. I've added https://github.com/tstack/lnav/issues/1275 to track.
> - I would expect to be able to create a new view of the data using SQL `SELECT`. A select statement is fundamentally about filtering out some rows (log lines), which feels like a filter, and selecting some particular columns (log fields) and hiding others. The latter point seems like it could be something that should be handled when https://github.com/tstack/lnav/issues/1274 is resolved.
There is the `:filter-expr` command (https://docs.lnav.org/en/v0.12.2/commands.html#filter-expr-e...), have you tried that?
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ht: Headless Terminal
As others have kinda alluded to, it could be useful for testing TUI applications. I develop a logfile viewer for the terminal (https://lnav.org) and have a similar application[1] for testing, but it's a bit flaky. It produces/checks snapshots like [2]. I think the problems I run into are more around different versions of ncurses producing slightly different outputs.
[1] - https://github.com/tstack/lnav/blob/master/test/scripty.cc
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Ask HN: Interesting TUIs (text user interfaces), maybe forgotten ones?
The Logfile Navigator (https://lnav.org) is a log file viewer/merger/tailer for the terminal. It has some advanced UX features, like showing previews of operations and displaying context sensitive help. For example, the preview for filtering out logs by regex is to highlight the lines that will be hidden in red. This can make crafting the right regex a bit easier since the preview updates as you type. lnav also has some simple bar charting abilities, so you can visualize the results of SQL queries made against the log messages.
- Lnav: A log file viewer for the terminal
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Angle-grinder: Slice and dice logs on the command line
See https://lnav.org for a powerful mini-ETL CLI power tool; it embeds SQLite, supports ~every format, has great UX and easily handles a few million rows at a time.
- FLaNK Stack 26 February 2024
- LNAV – The Logfile Navigator
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Toolong: Terminal application to view, tail, merge, and search log files
The code base seems like a good reference as a small Python project.
My fav option in this class of apps: https://lnav.org/ It lets you use journalctl with pipes as requested here: https://github.com/Textualize/toolong/issues/4
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www.saashub.com | 13 Jan 2025
Stats
Basic lnav repo stats
85
8,232
9.6
5 days ago
tstack/lnav is an open source project licensed under BSD 2-clause "Simplified" License which is an OSI approved license.
The primary programming language of lnav is C++.
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