enqeue more than one command each seconds using pid

diff --git a/zc-send b/zc-send
index 02307c1..fae80ca 100755 (executable)
--- a/zc-send
+++ b/zc-send
@@ -75,5 +75,5 @@ my $t = time();
 write_file "$queue/$imei/.todo.$t", $raw;
 # atomic rename to ensure that file is complete
 
-rename "$queue/$imei/.todo.$t", "$queue/$imei/.pending/$t";
+rename "$queue/$imei/.todo.$t", "$queue/$imei/.pending/$t.$$";