Fix all ShellCheck warnings

IOW, `make check-shellcheck` passes.

1 files changed, 8 insertions, 1 deletions

diff --git a/bin/dice b/bin/dice
index 93556a5..4a145d0 100755
--- a/bin/dice
+++ b/bin/dice
@@ -18,15 +18,21 @@ help() {
 		  SIZE          the size of the dice (default: 6)
 
 
+		Roll a dice of SIZE.  Caveat: rolling a dice more than once in
+		the same second will give you the same number.
+
+
 		Examples:
 
 		  Roll a dice of size 6:
 
 		    $ dice
+		    3
 
 		  Roll a D20:
 
 		    $ dice 20
+		    15
 	EOF
 }
 
@@ -63,4 +69,5 @@ shift $((OPTIND - 1))
 
 
 SIZE="${1:-6}"
-echo $(((RANDOM % SIZE) + 1))
+RAND="$(awk 'BEGIN { srand(); print int(rand()*32768) }' /dev/null)"
+echo $(((RAND % SIZE) + 1))