eoconv software package provides convert text files between various Esperanto encodings, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install eoconv
eoconv is installed in your system.
Make ensure the eoconv package were installed using the commands given below,
$ sudo dpkg-query -l | grep eoconv *
You will get with eoconv package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Text Processing |
| Package | eoconv |
| Version | 1.4-1 |
| Description | convert text files between various Esperanto encodings |
| Sub Section | Text |