1 files changed, 17 insertions, 15 deletions

diff --git a/alg b/alg
index 966e8ab..7fa1c8f 100755
--- a/alg
+++ b/alg
@@ -189,12 +189,16 @@ run() {
         type="$1"
         if [ -z "$3" ]; then
                 letters="$2"
+                cbuf="$cbuffer"
+                ebuf="$ebuffer"
+                wbuf="$wbuffer"
+                xbuf="$xbuffer"
         else
                 letters="$3"
-                cbuffer="$2"
-                ebuffer="$2"
-                wbuffer="$2"
-                xbuffer="$2"
+                cbuf="$2"
+                ebuf="$2"
+                wbuf="$2"
+                xbuf="$2"
         fi
 
         letter1="$(echo "$letters" | cut -c 1)"
@@ -205,36 +209,34 @@ run() {
         case "$type" in
         c)
                 if [ -n "$letter2" ]; then
-                        edit corners $cbuffer $(corner $letter1) \
-                                $(corner $letter2)
+                        edit corners $cbuf $(corner $letter1) $(corner $letter2)
                 else
-                        showall_c $cbuffer $letter1
+                        showall_c $cbuf $letter1
                 fi
                 ;;
         e)
                 if [ -n "$letter2" ]; then
-                        edit edges $ebuffer $(edge $letter1) $(edge $letter2)
+                        edit edges $ebuf $(edge $letter1) $(edge $letter2)
                 else
-                        showall_e $ebuffer $letter1
+                        showall_e $ebuf $letter1
                 fi
                 ;;
         w)
                 if [ -n "$letter2" ]; then
-                        edit wings $wbuffer $(wing $letter1) $(wing $letter2)
+                        edit wings $wbuf $(wing $letter1) $(wing $letter2)
                 else
-                        showall_w $wbuffer $letter1
+                        showall_w $wbuf $letter1
                 fi
                 ;;
         x)
                 if [ -n "$letter2" ]; then
-                        edit xcenters $xbuffer $(xcenter $letter1) \
-                                $(xcenter $letter2)
+                        edit xcenters $xbuf $(xcenter $letter1) $(xcenter $letter2)
                 else
-                        showall_x $xbuffer $letter1
+                        showall_x $xbuf $letter1
                 fi
                 ;;
         *)
-                usage && return
+                usage
                 ;;
         esac
 }