bin/ wmake/ script updates

- send error messages to stderr
  - added -h/-help options where some were missing
  - changed 3-space to 4-space indentation
  - where possible, allow multiple directories from the command-line

bin/rmoall

@@ -3,22 +3,23 @@
 # default is pwd
 if [ "$#" -eq 0 ]
 then
-   set -- .
+    set -- .
 elif [ "$1" = "-h" -o "$1" = "-help" ]
 then
-   echo "Usage: ${0##*/} [dir1] .. [dirN]"
-   echo "    remove all .o files"
-   exit 1
+    echo "Usage: ${0##*/} [dir1] .. [dirN]"
+    echo "    remove all .o files"
+    exit 1
 fi
 
 for i
 do
-   if [ -d "$i" ]
-   then
-      echo "removing all .o files: $i"
-      find $i -name '*.o' -print | xargs -t rm
-   else
-      echo "no directory: $i"
-   fi
+    if [ -d "$i" ]
+    then
+        echo "removing all .o files: $i"
+        find $i -name '*.o' -print | xargs -t rm 2>/dev/null
+    else
+        echo "no directory: $i" 1>&2
+    fi
 done
+
 #------------------------------------------------------------------------------