STYLE: adjust ordering of 'find' command arguments

- use -name test before -type test to avoid calling stat(2) on every file.
- use -delete instead of -exec rm to avoid forking

bin/rmcore

@@ -35,6 +35,7 @@ then
     set -- .
 elif [ "$1" = "-h" -o "$1" = "-help" ]
 then
+    exec 1>&2
     echo "Usage: ${0##*/} [dir1] .. [dirN]"
     echo "    remove all core files"
     exit 1
@@ -45,8 +46,8 @@ for i
 do
     if [ -d "$i" ]
     then
-        echo "removing all core files: $i"
-        find $i \( -type f -name 'core' -o -name 'core.[1-9]*' -o -name 'vgcore.*' \) -print | xargs -t rm 2>/dev/null
+        echo "removing all core files: $i" 1>&2
+        find $i \( -name core -o -name 'core.[1-9]*' -o -name 'vgcore.*' \) -type f -delete
     else
         echo "no directory: $i" 1>&2
     fi