Update

baker/bin/baker

@@ -136,7 +136,6 @@ bakerdemote()
 
 main()
 { # entry point
-	(( $(id -u) == 0 )) || die "Script must be run as root"
 	(( $# == 0 )) && usage 1
 	cmd="$1"; shift || die "Not enough arguments for \"$cmd\""
 	case "$cmd" in
@@ -159,6 +158,7 @@ main()
 			cmd=demote ;;
 	esac
 
+	(( $(id -u) == 0 )) || die "Script must be run as root"
 	"baker$cmd" "$@"
 }
 

breader/bin/breader

@@ -1,19 +1,29 @@
 #!/bin/bash
 # make a bread header
 
-: "${BREADS:=🍞 🥖 🥪 🥐 🥟 🌯 🥙 🥨 🥞}"
+: "${BREADS:=🍞 🥖 🥐 🌯 🥙 🥞}"
+
+if [ "x$1" = "x-h" ]; then
+	cat <<END
+	breader: make a bread header
+	usage:
+	breader [NUMBER_OF_BREADS]
+
+	NUMBER_OF_BREADS defaults to three.
+	It'll make a line of bread NUMBER_OF_BREADS long.
+END
+fi
 
 breader=
 for b in $(seq "${1:-3}")
 do
 	nextbread=
-	until [ -n "$nextbread" ]; do
-		nextbread="$(
-			echo "$BREADS" |
+	while [[ -z "$nextbread" ]]
+	do
+		nextbread="$(echo "$BREADS" |
 			tr ' ' '\n' |
 			head -n $((RANDOM%(${#BREADS}-1))) |
-			tail -n1
-		)"
+			tail -n1)"
 	done
 	breader="$breader $nextbread"
 done