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+Travel::Status::DE::IRIS - Interface to IRIS based web departure monitors
+---
+
+<https://finalrewind.org/projects/Travel-Status-DE-IRIS/>
+
+
+Dependencies
+---
+
+* perl version 5.14.2 or newer
+* Class::Accessor
+* DateTime
+* DateTime::Format::Strptime
+* Geo::Distance
+* List::Compare
+* List::MoreUtils
+* List::UtilsBy
+* LWP::UserAgent
+* Text::LevenshteinXS
+* XML::LibXML
+
+Note about Text::LevenshteinXS: This module is old and unmaintained, but
+appears to be packaged for slightly more distros than its successor
+Text::Levenshtein::XS. If it is not available for your distro (and you do
+not wish to build it), the following drop-in replacements are available:
+
+* Text::Levenshtein::XS
+* Text::Levenshtein (about 10 times slower than the XS modules)
+
+To use them, run:
+
+```
+sed -i 's/Text::LevenshteinXS/Text::Levenshtein::XS/g' Build.PL lib/Travel/Status/DE/IRIS/Stations.pm
+```
+
+or
+
+```
+sed -i 's/Text::LevenshteinXS/Text::Levenshtein/g' Build.PL lib/Travel/Status/DE/IRIS/Stations.pm
+```
+
+Installation
+---
+
+From a release tarball:
+
+```
+perl Build.PL
+./Build
+sudo ./Build install
+```
+
+From git:
+
+```
+perl Build.PL
+./Build
+./Build manifest
+sudo ./Build install
+```
+
+See also the Module::Build documentation.
+
+You can then run `man Travel::Status::DE::IRIS`.
+This distribution also ships the script 'db-iris', see `man db-iris`.
+
+Managing stations
+---
+
+Travel::Status::DE::IRIS needs a list of train stations to operate, which is
+located in `share/stations.json`. There are two recommended editing methods.
+
+Automatic method, e.g. to incorporate changes from Open Data sources:
+
+* modify stations.json with a script in any JSON-aware language you like
+* run ./json2json in the share diretcory. This transforms stations.json into
+ its canonical format, which simplifies tracking of changes and reduces diff
+ size
+
+Manual method:
+
+* run `./json2csv` in the share directory
+* modify stations.csv automatically or manually (e.g. with LibreOffice Calc)
+* run `./csv2json` in the share directory
+
+If the changes you made are suitable for inclusion in Travel::Status::DE::IRIS,
+please [open a pull request](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork) afterwards.
+
+Please only include stations which are usable with DB IRIS, that is, which have
+both DS100 and UIC numbers. If
+
+```
+curl -s https://iris.noncd.db.de/iris-tts/timetable/station/UICNUMBER
+```
+
+and
+
+```
+curl -s https://iris.noncd.db.de/iris-tts/timetable/station/DS100
+```
+
+return a `<station>` element with "name", "eva" and "ds100" attributes, you're
+good to go.