How to bulk copy files from Android makefile files

This method is used by the shell and makefile combination

Wallpapers: = $ (Shell ls packages/apps/hyst_apps/newbingolauncher_c/default_wallpaper_config/)

Product_copy_files + = $ (foreach wallpaper,$ (wallpapers), $ (if $ (findstring customized_config,$ (wallpaper)), \
packages/apps/hyst_apps/newbingolauncher_c/default_wallpaper_config/$ (Wallpaper): system/$ (wallpaper), \
packages/apps/hyst_apps/newbingolauncher_c/default_wallpaper_config/$ (Wallpaper): system/wallpaper/$ (Wallpaper) ))

The first sentence is to use the Shell list directory packages/apps/hyst_apps/newbingolauncher_c/default_wallpaper_config/All files stored in the wallpapers

The second sentence is that the makefile foreach function loops through the wallpapers and copies the path according to the required combination

How to bulk copy files from Android makefile files