Get the zprint uberjar

There exists an uberjar for zprint which requires only Java to run, and has no external dependencies.

1. Go to the latest release for zprint

You can find the latest release here.

2. Download the uberjar

The uberjar is called zprint-filter-0.x.y, where x.y varies. Click on this to download it.

3. Name the uberjar whatever you want

The downloaded version of the zprint uberjar always has the version in the name. You may wish to name it something different so that any scripts that you have will use the new version without requiring a change. We will assume that you have renamed it zprint-filter.

mv zprint-filter-1.2.0 zprint-filter

Note that you can always find the version of zprint-filter (no matter what you called it), by giving it the -v switch:

java -jar zprint-filter -v
zprint-1.2.0

3. Test it with -e

java -jar zprint-filter -e
{:agent {:object? false},
 :array {:hex? false, :indent 1, :object? false, :wrap? true},
 :atom {:object? false},
 :binding {:flow? false,
           :force-nl? false,
           :hang-diff 1,
           :hang-expand 2.0,
           :hang? true,
           :indent 2,
           :justify? false,
           :nl-separator? false},
[...]

The -e switch will output the configuration zprint will use when run. For any values that are not the default, this will include where that value came from (for instance, if you set something in your ~/.zprintrc, that information will appear in the -e output). If you run zprint -e, it should output a very large map showing all of the configuration options and their current values. Toward the end, it will include a key :version which should be the version that you just downloaded.

4. Try it

The zprint uberjar you have downloaded will accept Clojure source on stdin and produce formatted Clojure source on stdout. It will also accept an options map on the command line. Note the need for single quotes around any options map value that you specify.

java -jar zprint-filter '{:width 90}' < myfile.clj 

This will output a formatted version of myfile.clj to the controlling terminal, fit into 90 columns (instead of the default 80 columns) of output.