allow multiple arguments to dated

sh/dated

@@ -5,17 +5,15 @@
 # YES_ASH
 
 dated() {
-    local u=0
+    local ts= u=0
     [ "$1" != -u ] || { shift; u=1; }
-    argc $# -le 1 "$0" || return
     if [ $# = 0 ]; then
         # -u doesn't actually do anything here, but...
         if [ $u = 1 ]; then date -u '+%s'; else date '+%s'; fi
-    else
-        if [ $u = 1 ]; then date -u -d '@'"$1"; else date -d '@'"$1"; fi
     fi
+    for ts; do
+        if [ $u = 1 ]; then date -u -d '@'"$ts"; else date -d '@'"$ts"; fi
+    done
 }
 
-[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
-eval ${preload:-preload} argc
 [ -n "${preload+-}" ] || dated "$@"