How to get HostName from executable script in SSH config file?
~/.ssh/config:
Host cluster
ProxyCommand ~/bin/cluster-connect
~/bin/cluster-connect:
#!/bin/bash
socat stdio tcp:$(get_host):22
~/.ssh/config:
Host cluster
ProxyCommand ~/bin/cluster-connect
~/bin/cluster-connect:
#!/bin/bash
socat stdio tcp:$(get_host):22