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polyglot

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poly is a command-line tool that determines project contents. The goal is to able to point it to any directory and get an accurate, complete, and informative summary of its contents.

<img alt="Screenshot of sample output" src=https://github.com/vmchale/polyglot/raw/master/screenshot.png>

It also has the secondary goal of advancing the state-of-the art for ATS, by writing practical, distributable software and supporting tooling.

Pitch

Reasons to use polyglot:

Reasons not to use polyglot:

Benchmarks

On the Rust repo:

<table> <tr> <th>Tool</th> <th>Language</th> <th>Time</th> </tr> <tr> <td><code>polyglot</code></td> <td>ATS</td> <td>134.6 ms</td> </tr> <tr> <td><code>loc</code></td> <td>Rust</td> <td>139.6 ms</td> </tr> <tr> <td><code>scc</code></td> <td>Go</td> <td>225.4 ms</td> </tr> <tr> <td><code>tokei</code></td> <td>Rust</td> <td>262.6 ms</td> </tr> <tr> <td><code>gocloc</code></td> <td>Go</td> <td>923.9 ms</td> </tr> <tr> <td><code>cloc</code></td> <td>Perl</td> <td>5.610 s</td> </tr> <tr> <td><code>enry</code></td> <td>Go</td> <td>6.926 s</td> </tr> <tr> <td><code>linguist</code></td> <td>Ruby</td> <td>20.16 s</td> </tr> </table>

For more extensive benchmarks, see my blog post with some additional data.

Heuristics

Polyglot distinguishes itself from tokei, gocloc, and loc by being able to disambiguate file names. Thus, poly will not confuse Happy for Yacc (for instance).

Installation

From a Script

The easiest way to install is to use the installation script, like so:

curl -sSl https://raw.githubusercontent.com/vmchale/polyglot/master/bash/install.sh | sh -s

You can optionally install compleat for shell completions as well.

Vim Plugin

There is a vim plugin available which can count lines of code in a project.

Documentation

You can view manpages for poly with

man poly

Building for Hacking

You can install ats-pkg with

curl -sSl https://raw.githubusercontent.com/vmchale/atspkg/master/bash/install.sh | sh -s

And then build poly with

git clone git@github.com:vmchale/polyglot.git
cd polyglot
atspkg build --pkg-args './gc.dhall'

This will put a binary at target/poly.

If you are on Mac, replace the last line with

atspkg build --pkg-args './mac.dhall'

Testing

To run the test suite

atspkg test --pkg-args './gc.dhall'

Languages

For languages already supported, see LANGUAGES.md

Contents

-------------------------------------------------------------------------------
 Language             Files       Lines         Code     Comments       Blanks
-------------------------------------------------------------------------------
 ATS                     17        3794         3626           41          127
 C                        1          24           22            0            2
 C Header                 1          43           35            0            8
 Dash                     5         144          110            8           26
 Dhall                    5          93           83            0           10
 Markdown                 6         938          813            0          125
 TOML                     1           3            3            0            0
 YAML                     1          58           52            0            6
-------------------------------------------------------------------------------
 Total                   37        5097         4744           49          304
-------------------------------------------------------------------------------