add more options

1 files changed, 12 insertions, 2 deletions

diff --git a/ssh-check b/ssh-check
index df5274b..5045bb1 100755
--- a/ssh-check
+++ b/ssh-check
@@ -49,7 +49,7 @@ main()
             do
                 [ $# = 0 ] || match "$h" "$@" || continue
 
-                ( if uptime=$(ssh $SSH_OPTIONS -n "$h" -- uptime 2>/dev/null)
+                ( if uptime=$(ssh $SSH_OPTIONS -n "$h" -- ${REMOTE_COMMAND:-uptime} 2>/dev/null)
                 then
                     printf "%-15s %-${host_field_width}s  %s\n" "Succeeded:" "$h" "${uptime# }"
                 else
@@ -79,14 +79,24 @@ edit_config()
     rm "$f".timestamp
 }
 
+usage()
+{
+    cat <<EOF
+Usage: $0 [--help | -h] [--verbose | -v] [--edit] [--run] [--] [host pattern] [...]
+EOF
+}
+
 unset run_anyway do_edit
 while [ $# -gt 0 ]
 do
     case "$1" in
         --edit) do_edit=y;;
         --run) run_anyway=y;;
+        --help | -h) usage; exit;;
+        --command) REMOTE_COMMAND=$2; shift 2;;
+        --verbose | -v) VERBOSE=y; shift;;
         --) shift; break;;
-        -*) exit 1 ;;
+        -*) usage >&2; exit 1 ;;
         *) break;;
     esac
     shift