M bin/.local/bin/clean_local_ssh → bin/.local/bin/clean_local_ssh

@@ -2,14 +2,17 @@ #!/bin/sh -e
 
 _known_hosts="$HOME/.ssh/known_hosts"
 
-grep localhost "$_known_hosts"
+grep localhost "$_known_hosts" || {
+    echo "no localhost entries" && exit 0
+}
 
 printf "remove these entries? [y/N] "
 read -r REMOVE
 case "$REMOVE" in
-    [Y|y])
-        grep -v localhost "$_known_hosts" | tee "$_known_hosts.new"
+    [Yy])
+        grep -v localhost "$_known_hosts" > "$_known_hosts.new"
         mv "$_known_hosts.new" "$_known_hosts"
+        exit 0
         ;;
     *)
         exit 1