createfp software package provides Language detection library - fingerprint generation utility, 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 createfp
createfp is installed in your system.
Make ensure the createfp package were installed using the commands given below,
$ sudo dpkg-query -l | grep createfp *
You will get with createfp package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Utilities |
| Package | createfp |
| Version | 3.4.4-2 |
| Description | Language detection library - fingerprint generation utility |
| Sub Section | Utils |