update-ssh-config
update-ssh-config is a small configuration utility that allows you to manage your ssh client configuration in
separate fragments. This is very usefull if you have a large number of hosts in your configuration
file.
It’s written in bash so it should run on any platform where bash is available.
You can download it here :
usage
By default the program reads all files in the directory $HOME/.ssh-config.d, sorts them alphabetically and assembles them in the file $HOME/.ssh/config. To avoid unnecessary work it will check the timestamps of the source files against that of the generated file.