error handling for ssh-host function

bash/.bash_functions

@@ -11,8 +11,12 @@ ssh() {
 
 # Use fzf to find all your configured ssh connection
 ssh-host() {
+    if [ "$(which fzf 2>/dev/null)" ]; then
         ssh $(cat "$HOME/.ssh/config" "$HOME/.ssh/conf.d/individual_user" \
                 | awk '$1 == "Host" && $2 != "*" {print $2}' |  fzf --reverse)
+    else
+        echo "fzf not installed!"
+    fi
 }
 
 # Creates a new directory and immediately changes into it