Simplify `yum_install*()` using `select_args()`

include/yummy.sh

     #
     # Mindlessly and silently install anything
     #
-    local opts pkg pkgs
-    while true; do case $1 in
-        "") break ;;
-        -*) opts="$opts $1"; shift ;;
-        *)  pkgs="$pkgs $1"; shift ;;
-    esac done
-    for pkg in $pkgs;
-    do
-        yum -q -y $opts install "$pkgs" 2>&1 | mute_known yum
-    done
+    yum -q -y install "$@" 2>&1 | mute_known yum
 }
 
 yum_install_if_needed() {
     #
     # yum_install unless it's already installed
     #
-    local opts pkg pkgs
-    while true; do case $1 in
-        "") break ;;
-        -*) opts="$opts $1"; shift ;;
-        *)  pkgs="$pkgs $1"; shift ;;
-    esac done
+    local pkgs="$(select_args word $@)"
+    local opts="$(select_args opt $@)"
+    debug -v pkgs opts
     for pkg in $pkgs;
     do
+        debug "rpm -q $pkg >& /dev/null || yum_install $opts $pkg;"
         rpm -q $pkg >& /dev/null || yum_install $opts $pkg;
     done
 }