Dropin folder to generate ~/.ssh/config

update.sh

#!/bin/bash
# Put this script in a folder named ssh-config.d
# Add as many contributer files as you line to this folder
# They will be concatenated into ~/.ssh/config in lexical order

echo "### Auto generated by: $0 ###" >~/.ssh/config

for script in $(ls -1 $(dirname $0)/* | grep -v -e "$0" -e "~\$" ); do
    echo "" >>~/.ssh/config
    echo "# --- Origin: $script --- #" >>~/.ssh/config
    cat $script >>~/.ssh/config
done

echo "~/.ssh/config updated from: $(dirname $0)"