Recently Guile-DSV (https://github.com/artyom-poptsov/guile-dsv) got updated to version 0.7.0 in GNU Guix.

As such Guile-DSV can be installed/updated with the following command:
guix install guile-dsv

Guile-DSV is a #library for reading|writing DSV/CSV data, as well as a handy #tool to view and process table data in #CLI 

The attached screenshots show how "dsv" program allows to visualize #DSV data and apply arbitrary Scheme code to it.

https://cdn.fosstodon.org/media_attachments/files/111/045/133/088/645/729/original/e31e68a50229b453.png

https://cdn.fosstodon.org/media_attachments/files/111/045/147/932/381/756/original/c0ca41a84a68da91.png

https://cdn.fosstodon.org/media_attachments/files/111/045/153/106/424/245/original/174e625d01d497ed.png 

 Nice!