Default alarm to 0 seconds

i.e. immediate execution

diff --git a/bin/alarm b/bin/alarm
index f16a20c..ad57499 100755 (executable)
--- a/bin/alarm
+++ b/bin/alarm
@@ -2,8 +2,7 @@
 
 case "$1"
     in "")
-        printf "How many seconds to sleep?" 1>&2
-        exit 1
+        seconds=0
     ;; *)
         seconds="$1"
 esac