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Transpose Gherkin Data Table

A simple command line tool to transpose a gherkin data table. The tool reads a data table from STDIN and prints the transposed data table to the STDOUT.

powered%20by Kotlin darkviolet powered%20by Clikt violet powered%20by Mordant red powered%20by Nyx blue

Usage

  1. Clone the respository.

  2. Run ./gradlew installDist. This will install a distribution to the folder build/install/transpose-gherkin-datatable in the repository.

  3. Pass a Gherkin data table through the STDIN to the script build/install/transpose-gherkin-datatable/bin/transpose-gherkin-datatable to get the transposed data table on the STDOUT.

  4. As the full path to the script is rather cumbersome to write all the time, I suggest you create a symbolic link to the script somewhere on your PATH.

Example 1. Transposing a Gherkin data table from the clipboard on macOS

Given you copied a Gherkin data table to the clipboard. Then you can transpose that data table with the following command:

pbpaste | <repo-home>/build/install/transpose-gherkin-datatable/bin/transpose-gherkin-datatable

Background

I recently needed to transpose a Gherkin data table, but ChatGPT wasn’t available and I couldn’t find a Transpose Data Table function in my Cucumber plugin in my IDE.

Later that day, I felt the urge to finally write something in Kotlin again. I remembered my need to transpose a Gherkin data table earlier in the day and started typing.

I hacked something together. Pretty quick 'n' dirty. I didn’t need it to be bulletproof. It just had to do the job and give me a chance to have a little Kotlin refresher. The result is certainly not great, completely untested and probably far from idiomatic Kotlin. But it was entertaining. I had fun.

Then I remembered this gem of a library for writing CLIs in Kotlin: Clikt. So I added it. If you don’t know it yet, have a look at it.

Then I found out that the author of Clikt has also written Mordant. It’s a library that provides styling and widgets for command line applications. So I added that too.

Then I thought now might be a good time to google again for a semantic release gradle plugin. Guess what, there is one: Nyx. Great, now I’m back to using conventional commits to automatically bump the semantic version of my project.

I hear an owl hooting. I look out of the window. It was getting dark. Let’s go to bed…

Who knows what else I might add to this silly little project. A project that is completely unnecessary as ChatGPT is back and another Cucumber plugin for my IDE certainly provides the transpose data table feature I needed. But I’ll remain ignorant of all this. This silly project has proved to be too good a playground. I’ll keep on playing…