doinst () 
{ 
    if [ -x /usr/bin/update-desktop-database ]; then
        /usr/bin/update-desktop-database -q usr/share/applications > /dev/null 2>&1;
    fi;
    if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
        if [ -x /usr/bin/gtk-update-icon-cache ]; then
            /usr/bin/gtk-update-icon-cache usr/share/icons/hicolor > /dev/null 2>&1;
        fi;
    fi;
    if [ -e usr/share/glib-2.0/schemas ]; then
        if [ -x /usr/bin/glib-compile-schemas ]; then
            /usr/bin/glib-compile-schemas usr/share/glib-2.0/schemas > /dev/null 2>&1;
        fi;
    fi
}
doinst