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+---
+title: "Keep track of what you've read online with remwharead"
+description: "How to archive articles you read online locally and how to find them again."
+date: "2019-09-26T06:10:07+02:00"
+draft: false
+tags: ["remwharead", "bookmarks", "archive", "Tooting my own horn"]
+---
+
+:wp-asciidoc: https://en.wikipedia.org/wiki/AsciiDoc
+:wp-rss: https://en.wikipedia.org/wiki/RSS
+:wp-json: https://en.wikipedia.org/wiki/JSON
+:uri-bookmarks: https://msdn.microsoft.com/en-us/library/aa753582(VS.85).aspx
+:uri-remwharead: https://schlomp.space/tastytea/remwharead
+:uri-ff-addon: https://addons.mozilla.org/firefox/addon/remwharead/
+:uri-archive: https://archive.org/
+:uri-perlre: https://perldoc.perl.org/perlreref.html#SYNTAX
+:uri-sqlitebrowser: https://sqlitebrowser.org/
+
+Today I'd like to talk to you about how I archive articles I read online and how
+I find them again.
+
+I've found myself repeatedly in situations where I wanted to reference an
+article I knew I read, but couldn't find it anymore. Be it that I didn't
+remember the right search terms or that the article had gone offline. I searched
+for solutions to my problem, but could only find webservices, nothing that would
+allow me to keep an archive on my local computer. So I decided to fill that gap
+and write remwharead. It runs on Linux, probably BSD and maybe macOS.
+
+== What is remwharead?
+
+remwharead is a tool that allows you to save URIs of things you want to remember
+in a local database, along with an URI to the archived version, the current date
+and time, title, description, the full text of the page and optional tags. You
+can then export all or a portion of your aggregated hyperlinks to different
+formats, including {wp-asciidoc}[AsciiDoc], {wp-rss}[RSS], {wp-json}[JSON] and
+{uri-bookmarks}[Netscape Bookmark File Format].
+
+.Output of `remwharead -e asciidoc | asciidoctor --backend=html5 -o file.html -`
+[alt="AsciiDoc output of remwharead, formatted to HTML"]
+[link="https://doc.schlomp.space/.remwharead/example_dates.png"]
+image::https://doc.schlomp.space/.remwharead/example_dates.png[]
+
+== Get remwharead
+
+You can download the latest release from {uri-remwharead}/releases[]. If your
+CPU architecture is X86_64 (if you don't know it probably is) and you use
+Debian, Ubuntu, or a distribution based on Debian or Ubuntu, you can use the
+attached `.deb` package. Download it and install with
+`apt install ./rewharead_*.deb`. Gentoo users can use my repository as described
+in the {uri-remwharead}#gentoo[readme].
+
+If there is no package for your distribution / operating system yet, you have to
+compile it yourself, as described in the {uri-remwharead}#from-source[readme].
+
+The extension for Firefox is available from {uri-ff-addon}[addons.mozilla.org].
+
+== How to use it
+
+=== Adding an entry
+
+.remwhareadFF
+image::/images/remwhareadFF.png[Screenshot of remwhareadFF,233,117,role="right"]
+
+Saving things is simple: Just type `remwharead` followed by the URI into your
+terminal and press “Enter”. To add tags, use the command-line switch `-t` or
+`--tags`.
+
+But most of the time you'll probably want to use {uri-ff-addon}[remwhareadFF],
+the Firefox extension.
+
+.Example: Save this article with the tags remwharead, bookmarks and archive.
+----
+{{< highlight shell >}}
+remwharead -t remwharead,bookmarks,archive https://blog.tastytea.de/posts/keep-track-of-what-you-have-read-online-with-remwharead/
+{{< / highlight >}}
+----
+
+remwharead will automatically ask the Wayback machine from the
+{uri-archive}[Internet Archive] to archive the page and store the URI to
+the archived page, unless you run it with `-N` or `--no-archive`.
+
+=== Retrieving / Exporting entries
+
+To display the saved things using the export format “simple”, type
+`remwharead -e simple`. You can filter by date and time with `-T` or
+`--time-span`, filter by tags with `-s` or `--search-tags` and perform a
+full-text search with `-S` or `--search-all`. You can also use `--search-tags`
+and `--search-all` with {uri-perlre}[regular expressions], with `-r` or
+`--regex`.
+
+.Example: Display all things you saved on 2019-09-23.
+----
+{{< highlight shellsession >}}
+% remwharead -e simple -T 2019-09-23,2019-09-24
+2019-09-23: Keep track of what you've read online with remwharead
+
+2019-09-23: Another good article
+
+{{< / highlight >}}
+----
+
+Times are in the format _YYYY-MM-DDThh:mm:ss_. `2019-09-23` is short for
+`2019-09-23T00:00:00`.
+
+.Example: Display all things you tagged with “apple” or “onion”.
+----
+{{< highlight shellsession >}}
+% remwharead -e simple -s "apple OR onion"
+2019-08-03: The best onion soup recipe of the whole internet!
+
+2019-04-12: 5 funny faces you can carve into YOUR apple today!
+
+{{< / highlight >}}
+----
+
+Most export formats show only a portion of the available data for readability
+reasons. If you want the full datasets, use `-e json` or `-e csv`. You can also
+access the SQLite-database at `${XDG_DATA_HOME}/remwharead/database.sqlite`, for
+example with {uri-sqlitebrowser}[sqlitebrowser].
+
+NOTE: `${XDG_DATA_HOME}` is usually `~/.local/share`.
+
+==== Create an RSS feed
+
+Want to share what you read? with the “rss” export you can create an RSS feed
+for your friends to subscribe. Unfortunately remwharead can't create a valid RSS
+feed out of the box, because it can't know what content the “link”-element
+should have. You probably also want to change the title from “Visited things” to
+something more descriptive.
+
+.Example: Shell script to create a valid RSS feed of the last week.
+----
+{{< highlight shell >}}
+#!/bin/sh
+
+remwharead -e rss -T $(date -d "-1 week" -I),$(date -Iminutes) \
+ | sed -e 's||https://example.com/|' \
+ -e "s|Visited things|<title>My hyperlink archive|" \
+ > /var/www/feed.rss
+{{< / highlight >}}
+----
+
+TIP: Put that script into `/etc/cron.hourly/` to update your feed once an hour.