├── .gitignore ├── .travis.yml ├── CHANGELOG.md ├── LICENSE ├── README.md ├── doc ├── intro.md └── vigil.png ├── docs ├── .dir-locals.el ├── .gitignore ├── Gemfile ├── Gemfile.lock ├── _config.yml ├── _includes │ ├── example.md │ └── news.html ├── _layouts │ ├── default.html │ └── index.html ├── _posts │ └── 2016-03-31-vigil-011.md ├── api │ ├── css │ │ └── default.css │ ├── index.html │ ├── intro.html │ ├── js │ │ ├── jquery.min.js │ │ └── page_effects.js │ └── vigil.core.html ├── assets │ ├── pygments.css │ └── vigil.png ├── css │ └── main.scss ├── feed.xml ├── guide.md └── index.md ├── project.clj ├── src └── vigil │ └── core.clj └── test └── vigil └── core_test.clj /.gitignore: -------------------------------------------------------------------------------- 1 | /target 2 | /classes 3 | /checkouts 4 | resources/testfile 5 | pom.xml 6 | pom.xml.asc 7 | *.jar 8 | *.class 9 | /.lein-* 10 | /.nrepl-port 11 | .hgignore 12 | .hg/ 13 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: clojure 2 | jdk: 3 | - oraclejdk8 4 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # Change Log 2 | All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/). 3 | 4 | ## [Unreleased] 5 | 6 | ## [0.1.1] - 2016-03-31 7 | ### Fixed 8 | - Ensures full coverage of unit tests, and fixes an off-by-one error in the data stream. 9 | 10 | ## 0.1.0 - 2016-03-24 11 | ### Added 12 | - Initial release. 13 | 14 | [Unreleased]: https://github.com/ane/vigil/compare/0.1.1...HEAD 15 | [0.1.1]: https://github.com/ane/vigil/compare/0.1.0...0.1.1 16 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC 2 | LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM 3 | CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT. 4 | 5 | 1. 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Each new version of the Agreement will 199 | be given a distinguishing version number. The Program (including 200 | Contributions) may always be distributed subject to the version of the 201 | Agreement under which it was received. In addition, after a new version of 202 | the Agreement is published, Contributor may elect to distribute the Program 203 | (including its Contributions) under the new version. Except as expressly 204 | stated in Sections 2(a) and 2(b) above, Recipient receives no rights or 205 | licenses to the intellectual property of any Contributor under this 206 | Agreement, whether expressly, by implication, estoppel or otherwise. All 207 | rights in the Program not expressly granted under this Agreement are 208 | reserved. 209 | 210 | This Agreement is governed by the laws of the State of New York and the 211 | intellectual property laws of the United States of America. No party to this 212 | Agreement will bring a legal action under this Agreement more than one year 213 | after the cause of action arose. Each party waives its rights to a jury trial 214 | in any resulting litigation. 215 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ![Vigil](./doc/vigil.png) [![Build Status](https://travis-ci.org/ane/vigil.svg?branch=master)](https://travis-ci.org/ane/vigil) [![Clojars Project](https://img.shields.io/clojars/v/vigil.svg)](https://clojars.org/vigil) [![EPL](https://camo.githubusercontent.com/abf24e4845a7f0721ff08b2a8284ded5d9cfdefa/687474703a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d45504c2d626c75652e7376673f7374796c653d666c6174)](https://www.eclipse.org/legal/epl-v10.html) 2 | **Vigil** creates [Manifold](https://github.com/ztellman/manifold) streams from files. You place a 3 | *watcher* on a file and the stream produces content as new content is appended to the file. 4 | ```clojure 5 | [vigil "0.1.1"] ; add this to your project.clj 6 | ``` 7 | Vigil can be used to monitor logs asynchronously as a stream. If you are creating an event-driven 8 | system, it's easy to create an event filter with Vigil. 9 | 10 | Because the produced streams are Manifold streams, which act as a general-purpose compability 11 | layers for asynchronous communication, the file streams can be easily 12 | [connected](https://github.com/ztellman/manifold/blob/master/docs/stream.md) into other 13 | Clojure constructs, such as [core.async](https://github.com/clojure/core.async), lazy sequences, 14 | promises, the list goes on. 15 | 16 | For more information, see the [documentation](https://ane.github.io/vigil/). 17 | 18 | ``` clojure 19 | (require '[vigil.core :as v] 20 | '[manifold.stream :as s]) 21 | 22 | ;; /foo/bar/baz contains "hello\nworld" 23 | (def stream (v/watch-file "/foo/bar/baz")) 24 | 25 | @(s/take! stream) 26 | ;; => ("hello" "world") 27 | 28 | (spit "/foo/bar/baz" "blah\n" :append true) 29 | 30 | ;; the new line has now been pushed to the stream 31 | @(s/take! stream) 32 | ;; => ("blah") 33 | 34 | ;; shut down the watcher 35 | (s/close! stream) 36 | 37 | ``` 38 | 39 | ## Usage 40 | 41 | The watcher can be stopped at any time by closing the stream. If you don't want to receive the 42 | initial content, pass `false` to the `initial` parameter in `watch-file`. If you delete or truncate 43 | the file, the watcher will stop and the stream will be closed. 44 | 45 | For more information, see the [documentation](https://ane.github.io/vigil/). 46 | 47 | ## License 48 | 49 | Copyright © 2016 Antoine Kalmbach 50 | 51 | Distributed under the Eclipse Public License either version 1.0 or (at 52 | your option) any later version. 53 | -------------------------------------------------------------------------------- /doc/intro.md: -------------------------------------------------------------------------------- 1 | # Introduction to vigil 2 | 3 | Vigil is a library that creates [Manifold](https://github.com/ztellman/manifold) streams out of 4 | files. Creating a Manifold stream lets you monitor a file as a stream, producing data as content is 5 | appended to the file. 6 | 7 | As Manifold streams, the streams can be combined with different asynchronous abstractions: channels, 8 | lazy sequences, promises, and so forth. Here are some examples. 9 | 10 | ## Examples 11 | 12 | Here are some examples on how you would use Vigil. 13 | 14 | ### Simple file monitoring as a Manifold stream 15 | 16 | ``` clojure 17 | (require '[vigil.core :as v] 18 | '[manifold.stream :as s]) 19 | 20 | ;; /foo/bar/baz contains "hello\nworld" 21 | (def stream (v/watch-file "/foo/bar/baz")) 22 | 23 | @(s/take! stream) 24 | ;; => ("hello" "world") 25 | 26 | (spit "/foo/bar/baz" "blah\n" :append true) 27 | 28 | ;; the new line has now been pushed to the stream 29 | @(s/take! stream) 30 | ;; => ("blah") 31 | 32 | ;; shut down the watcher 33 | (s/close! stream) 34 | 35 | ``` 36 | 37 | ### Turn a file into a core.async channel 38 | 39 | ``` clojure 40 | (require '[manifold.stream :as s] 41 | '[vigil.core :as v] 42 | '[clojure.core.async :as a]) 43 | 44 | (def fs (v/watch-file "/foo/bar/baz")) 45 | (def ch (a/chan)) 46 | 47 | ;; forward fs into ch 48 | (s/connect fs ch) 49 | 50 | (a/go-loop [] 51 | (when-let [stuff (a/ 1.0" 24 | # end 25 | # 26 | group :jekyll_plugins do 27 | gem 'jekyll-livereload' 28 | end 29 | -------------------------------------------------------------------------------- /docs/Gemfile.lock: -------------------------------------------------------------------------------- 1 | GEM 2 | remote: https://rubygems.org/ 3 | specs: 4 | activesupport (4.2.7) 5 | i18n (~> 0.7) 6 | json (~> 1.7, >= 1.7.7) 7 | minitest (~> 5.1) 8 | thread_safe (~> 0.3, >= 0.3.4) 9 | tzinfo (~> 1.1) 10 | addressable (2.4.0) 11 | coffee-script (2.4.1) 12 | coffee-script-source 13 | execjs 14 | coffee-script-source (1.12.2) 15 | colorator (1.1.0) 16 | em-websocket (0.5.1) 17 | eventmachine (>= 0.12.9) 18 | http_parser.rb (~> 0.6.0) 19 | ethon (0.9.1) 20 | ffi (>= 1.3.0) 21 | eventmachine (1.2.0.1) 22 | execjs (2.7.0) 23 | faraday (0.9.2) 24 | multipart-post (>= 1.2, < 3) 25 | ffi (1.9.18) 26 | forwardable-extended (2.6.0) 27 | gemoji (2.1.0) 28 | github-pages (97) 29 | activesupport (= 4.2.7) 30 | github-pages-health-check (= 1.2.0) 31 | jekyll (= 3.2.1) 32 | jekyll-coffeescript (= 1.0.1) 33 | jekyll-feed (= 0.5.1) 34 | jekyll-gist (= 1.4.0) 35 | jekyll-github-metadata (= 2.1.0) 36 | jekyll-mentions (= 1.2.0) 37 | jekyll-paginate (= 1.1.0) 38 | jekyll-redirect-from (= 0.11.0) 39 | jekyll-sass-converter (= 1.3.0) 40 | jekyll-seo-tag (= 2.0.0) 41 | jekyll-sitemap (= 0.10.0) 42 | jekyll-swiss (= 0.4.0) 43 | jemoji (= 0.7.0) 44 | kramdown (= 1.11.1) 45 | liquid (= 3.0.6) 46 | listen (= 3.0.6) 47 | mercenary (~> 0.3) 48 | minima (= 1.2.0) 49 | rouge (= 1.11.1) 50 | terminal-table (~> 1.4) 51 | github-pages-health-check (1.2.0) 52 | addressable (~> 2.3) 53 | net-dns (~> 0.8) 54 | octokit (~> 4.0) 55 | public_suffix (~> 1.4) 56 | typhoeus (~> 0.7) 57 | html-pipeline (2.4.2) 58 | activesupport (>= 2) 59 | nokogiri (>= 1.4) 60 | http_parser.rb (0.6.0) 61 | i18n (0.8.1) 62 | jekyll (3.2.1) 63 | colorator (~> 1.0) 64 | jekyll-sass-converter (~> 1.0) 65 | jekyll-watch (~> 1.1) 66 | kramdown (~> 1.3) 67 | liquid (~> 3.0) 68 | mercenary (~> 0.3.3) 69 | pathutil (~> 0.9) 70 | rouge (~> 1.7) 71 | safe_yaml (~> 1.0) 72 | jekyll-coffeescript (1.0.1) 73 | coffee-script (~> 2.2) 74 | jekyll-feed (0.5.1) 75 | jekyll-gist (1.4.0) 76 | octokit (~> 4.2) 77 | jekyll-github-metadata (2.1.0) 78 | jekyll (~> 3.1) 79 | octokit (~> 4.0) 80 | jekyll-livereload (0.2.2) 81 | em-websocket (~> 0.5) 82 | jekyll (~> 3.0) 83 | jekyll-mentions (1.2.0) 84 | activesupport (~> 4.0) 85 | html-pipeline (~> 2.3) 86 | jekyll (~> 3.0) 87 | jekyll-paginate (1.1.0) 88 | jekyll-redirect-from (0.11.0) 89 | jekyll (>= 2.0) 90 | jekyll-sass-converter (1.3.0) 91 | sass (~> 3.2) 92 | jekyll-seo-tag (2.0.0) 93 | jekyll (~> 3.1) 94 | jekyll-sitemap (0.10.0) 95 | jekyll-swiss (0.4.0) 96 | jekyll-watch (1.5.0) 97 | listen (~> 3.0, < 3.1) 98 | jemoji (0.7.0) 99 | activesupport (~> 4.0) 100 | gemoji (~> 2.0) 101 | html-pipeline (~> 2.2) 102 | jekyll (>= 3.0) 103 | json (1.8.6) 104 | kramdown (1.11.1) 105 | liquid (3.0.6) 106 | listen (3.0.6) 107 | rb-fsevent (>= 0.9.3) 108 | rb-inotify (>= 0.9.7) 109 | mercenary (0.3.6) 110 | mini_portile2 (2.1.0) 111 | minima (1.2.0) 112 | minitest (5.10.2) 113 | multipart-post (2.0.0) 114 | net-dns (0.8.0) 115 | nokogiri (1.7.2) 116 | mini_portile2 (~> 2.1.0) 117 | octokit (4.3.0) 118 | sawyer (~> 0.7.0, >= 0.5.3) 119 | pathutil (0.14.0) 120 | forwardable-extended (~> 2.6) 121 | public_suffix (1.5.3) 122 | rb-fsevent (0.9.8) 123 | rb-inotify (0.9.7) 124 | ffi (>= 0.5.0) 125 | rouge (1.11.1) 126 | safe_yaml (1.0.4) 127 | sass (3.4.22) 128 | sawyer (0.7.0) 129 | addressable (>= 2.3.5, < 2.5) 130 | faraday (~> 0.8, < 0.10) 131 | terminal-table (1.7.3) 132 | unicode-display_width (~> 1.1.1) 133 | thread_safe (0.3.6) 134 | typhoeus (0.8.0) 135 | ethon (>= 0.8.0) 136 | tzinfo (1.2.3) 137 | thread_safe (~> 0.1) 138 | unicode-display_width (1.1.1) 139 | 140 | PLATFORMS 141 | ruby 142 | 143 | DEPENDENCIES 144 | github-pages 145 | jekyll-livereload 146 | minima 147 | 148 | RUBY VERSION 149 | ruby 2.3.1p112 150 | 151 | BUNDLED WITH 152 | 1.13.2 153 | -------------------------------------------------------------------------------- /docs/_config.yml: -------------------------------------------------------------------------------- 1 | # Welcome to Jekyll! 2 | # 3 | # This config file is meant for settings that affect your whole blog, values 4 | # which you are expected to set up once and rarely edit after that. If you find 5 | # yourself editing these this file very often, consider using Jekyll's data files 6 | # feature for the data you need to update frequently. 7 | # 8 | # For technical reasons, this file is *NOT* reloaded automatically when you use 9 | # 'jekyll serve'. If you change this file, please restart the server process. 10 | 11 | # Site settings 12 | # These are used to personalize your new site. If you look in the HTML files, 13 | # you will see them accessed via {{ site.title }}, {{ site.email }}, and so on. 14 | # You can create any custom variable you would like, and they will be accessible 15 | # in the templates via {{ site.myvariable }}. 16 | title: Vigil 17 | email: ane@iki.fi 18 | author: Antoine Kalmbach 19 | description: > # this means to ignore newlines until "baseurl:" 20 | Turn files into asynchronous streams 21 | baseurl: /vigil # the subpath of your site, e.g. /blog 22 | url: "https://ane.github.io" # the base hostname & protocol for your site 23 | picture: ./assets/vigil.png 24 | 25 | # Build settings 26 | markdown: kramdown 27 | theme: minima 28 | 29 | kramdown: 30 | auto_ids: true 31 | footnote_nr: 1 32 | entity_output: as_char 33 | toc_levels: 1..6 34 | input: GFM 35 | hard_wrap: false 36 | footnote_nr: 1 37 | -------------------------------------------------------------------------------- /docs/_includes/example.md: -------------------------------------------------------------------------------- 1 | ### Example 2 | 3 | ``` clojure 4 | (require '[vigil.core :as v] 5 | '[manifold.stream :as s]) 6 | 7 | ;; /foo/bar/baz contains "hello\nworld" 8 | (def stream (v/watch-file "/foo/bar/baz")) 9 | 10 | @(s/take! stream) 11 | ;; => ("hello" "world") 12 | 13 | (spit "/foo/bar/baz" "blah\n" :append true) 14 | 15 | ;; the new line has now been pushed to the stream 16 | @(s/take! stream) 17 | ;; => ("blah") 18 | 19 | ;; shut down the watcher 20 | (s/close! stream) 21 | ``` 22 | -------------------------------------------------------------------------------- /docs/_includes/news.html: -------------------------------------------------------------------------------- 1 |

News

2 | 3 | 13 | -------------------------------------------------------------------------------- /docs/_layouts/default.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | {% if page.title == "Home" %} 8 | {{ site.name }} 9 | {% else %} 10 | {{ page.title }} 11 | {% endif %} 12 | 13 | 14 | {% if page.summary %} 15 | 16 | {% else %} 17 | 18 | {% endif %} 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
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{{ site.title }}

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88 | 89 | 90 | 91 | 92 | 93 | 96 | 97 | 98 | 99 | 100 | 101 | -------------------------------------------------------------------------------- /docs/_layouts/index.html: -------------------------------------------------------------------------------- 1 | --- 2 | layout: default 3 | --- 4 | 5 |
6 | {{ content }} 7 |
8 | 9 | -------------------------------------------------------------------------------- /docs/_posts/2016-03-31-vigil-011.md: -------------------------------------------------------------------------------- 1 | --- 2 | layout: post 3 | title: "Vigil 0.1.1 released" 4 | date: 2016-03-31 5 | --- 6 | Initial release. See the [changelog](https://github.com/ane/vigil/blob/master/CHANGELOG.md#011---2016-03-31). 7 | 8 | -------------------------------------------------------------------------------- /docs/api/css/default.css: -------------------------------------------------------------------------------- 1 | body { 2 | font-family: Helvetica, Arial, sans-serif; 3 | font-size: 15px; 4 | } 5 | 6 | pre, code { 7 | font-family: Monaco, DejaVu Sans Mono, Consolas, monospace; 8 | font-size: 9pt; 9 | margin: 15px 0; 10 | } 11 | 12 | h1 { 13 | font-weight: normal; 14 | font-size: 29px; 15 | margin: 10px 0 2px 0; 16 | padding: 0; 17 | } 18 | 19 | h2 { 20 | font-weight: normal; 21 | font-size: 25px; 22 | } 23 | 24 | .document h1, .namespace-index h1 { 25 | font-size: 32px; 26 | margin-top: 12px; 27 | } 28 | 29 | #header, #content, .sidebar { 30 | position: fixed; 31 | } 32 | 33 | #header { 34 | top: 0; 35 | left: 0; 36 | right: 0; 37 | height: 22px; 38 | color: #f5f5f5; 39 | padding: 5px 7px; 40 | } 41 | 42 | #content { 43 | top: 32px; 44 | right: 0; 45 | bottom: 0; 46 | overflow: auto; 47 | background: #fff; 48 | color: #333; 49 | padding: 0 18px; 50 | } 51 | 52 | .sidebar { 53 | position: fixed; 54 | top: 32px; 55 | bottom: 0; 56 | overflow: auto; 57 | } 58 | 59 | .sidebar.primary { 60 | background: #e2e2e2; 61 | border-right: solid 1px #cccccc; 62 | left: 0; 63 | width: 250px; 64 | } 65 | 66 | .sidebar.secondary { 67 | background: #f2f2f2; 68 | border-right: solid 1px #d7d7d7; 69 | left: 251px; 70 | width: 200px; 71 | } 72 | 73 | #content.namespace-index, #content.document { 74 | left: 251px; 75 | } 76 | 77 | #content.namespace-docs { 78 | left: 452px; 79 | } 80 | 81 | #content.document { 82 | padding-bottom: 10%; 83 | } 84 | 85 | #header { 86 | background: #3f3f3f; 87 | box-shadow: 0 0 8px rgba(0, 0, 0, 0.4); 88 | z-index: 100; 89 | } 90 | 91 | #header h1 { 92 | margin: 0; 93 | padding: 0; 94 | font-size: 18px; 95 | font-weight: lighter; 96 | text-shadow: -1px -1px 0px #333; 97 | } 98 | 99 | #header h1 .project-version { 100 | font-weight: normal; 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446 | } 447 | 448 | .markdown h4 { 449 | font-size: 15px; 450 | } 451 | 452 | .doc, .public, .namespace .index { 453 | max-width: 680px; 454 | overflow-x: visible; 455 | } 456 | 457 | .markdown code, .src-link a { 458 | background: #f6f6f6; 459 | border: 1px solid #e4e4e4; 460 | border-radius: 2px; 461 | } 462 | 463 | .markdown pre, pre.deps { 464 | background: #f4f4f4; 465 | border: 1px solid #e0e0e0; 466 | border-radius: 2px; 467 | padding: 5px 10px; 468 | margin: 0 10px; 469 | } 470 | 471 | pre.deps { 472 | display: inline-block; 473 | } 474 | 475 | .markdown pre code { 476 | background: transparent; 477 | border: none; 478 | } 479 | 480 | .markdown hr { 481 | border-style: solid; 482 | border-top: none; 483 | color: #ccc; 484 | } 485 | 486 | .doc ul, .doc ol { 487 | padding-left: 30px; 488 | } 489 | 490 | .doc table { 491 | border-collapse: collapse; 492 | margin: 0 10px; 493 | } 494 | 495 | .doc table td, .doc table th { 496 | border: 1px solid #dddddd; 497 | padding: 4px 6px; 498 | } 499 | 500 | .doc table th { 501 | background: #f2f2f2; 502 | } 503 | 504 | .doc dl { 505 | margin: 0 10px 20px 10px; 506 | } 507 | 508 | .doc dl dt { 509 | font-weight: bold; 510 | margin: 0; 511 | padding: 3px 0; 512 | border-bottom: 1px solid #ddd; 513 | } 514 | 515 | .doc dl dd { 516 | padding: 5px 0; 517 | margin: 0 0 5px 10px; 518 | } 519 | 520 | .doc abbr { 521 | border-bottom: 1px dotted #333; 522 | font-variant: none; 523 | cursor: help; 524 | } 525 | 526 | .src-link { 527 | margin-bottom: 15px; 528 | } 529 | 530 | .src-link a { 531 | font-size: 70%; 532 | padding: 1px 4px; 533 | text-decoration: none; 534 | color: #5555bb; 535 | } 536 | -------------------------------------------------------------------------------- /docs/api/index.html: -------------------------------------------------------------------------------- 1 | 3 | Vigil 0.1.1

Project

Topics

Namespaces

Vigil 0.1.1

Watch files as continuous streams.

Installation

To install, add the following dependency to your project or build file:

[vigil "0.1.1"]

Topics

Namespaces

vigil.core

Public variables and functions:

-------------------------------------------------------------------------------- /docs/api/intro.html: -------------------------------------------------------------------------------- 1 | 3 | Introduction to vigil

Project

Topics

Namespaces

Introduction to vigil

4 |

Vigil is a library that creates Manifold streams out of files. Creating a Manifold stream lets you monitor a file as a stream, producing data as content is appended to the file.

5 |

As Manifold streams, the streams can be combined with different asynchronous abstractions: channels, lazy sequences, promises, and so forth. Here are some examples.

6 |

Examples

7 |

Here are some examples on how you would use Vigil.

8 |

Simple file monitoring as a Manifold stream

9 | 
(require '[vigil.core :as v]
10 |          '[manifold.stream :as s])
11 | 
12 | ;; /foo/bar/baz contains "hello\nworld"
13 | (def stream (v/watch-file "/foo/bar/baz"))
14 | 
15 | @(s/take! stream)
16 | ;; => ("hello" "world")
17 | 
18 | (spit "/foo/bar/baz" "blah\n" :append true)
19 | 
20 | ;; the new line has now been pushed to the stream
21 | @(s/take! stream)
22 | ;; => ("blah")
23 | 
24 | ;; shut down the watcher
25 | (s/close! stream)
26 | 
27 |
28 |

Turn a file into a core.async channel

29 | 
(require '[manifold.stream :as s]
30 |          '[vigil.core :as v]
31 |          '[clojure.core.async :as a])
32 |          
33 | (def fs (v/watch-file "/foo/bar/baz"))
34 | (def ch (a/chan))
35 | 
36 | ;; forward fs into ch
37 | (s/connect fs ch)
38 | 
39 | (a/go-loop []
40 |   (when-let [stuff (a/<! ch)]
41 |     (println stuff)
42 |     (recur)))
43 |        
44 | (Thread/sleep 60000)
45 | 
46 | ;; append content into /foo/bar/baz (manually)
47 | ;; ... and it shall be printed to *out*
48 | 
49 | ;; if you pass :upstream? true to s/connect,
50 | ;; closing the channel will close fs, thereby
51 | ;; shutting down the watcher
52 | (a/close! ch)
53 | (s/close! fs)
54 | 
55 |
56 |

Deletion or truncation

57 |

If you delete the file, the watcher will stop. Truncating the file will make the watcher reset its cursor to the beginning. Truncation occurs when the cursor location has been observed to be greater than the length of the file.

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