+
+ # set up the color_add variable which is a flag that lets ls know colors work.
+
+ # test if we can use color in ls...
+ ls --help 2>&1 | grep -i -q color
+ if [ $? -eq 0 ]; then
+ export color_add='--color=auto'
+ else
+ export color_add=
+ fi
+ unset test_ls_colors