-BIN_REL=/usr/bin/vnstat
-BIN=$${IPKG_INSTROOT}$${BIN_REL}
-CRONTAB=$${IPKG_INSTROOT}/etc/crontabs/root
-LIB_D_REL=/var/lib/vnstat
-LIB_D=$${IPKG_INSTROOT}$${LIB_D_REL}
-mkdir -p $${IPKG_INSTROOT}/etc/crontabs/
-[ -d $$LIB_D ] || mkdir -p $$LIB_D
-IFACE_WAN=$$(uci get network.wan.ifname)
-if [ -n $$IFACE_WAN ]; then
- [ -e $$LIB_D/$$IFACE_WAN ] || ( [ -x $$BIN ] && $$BIN -u -i $$IFACE_WAN )
-fi
-grep -q "$$BIN_REL -u" $$CRONTAB 2>/dev/null
-[ $$? -ne 0 ] && echo "*/30 * * * * if [ -x $$BIN_REL ] && [ \`ls $$LIB_D_REL | wc -l\` -ge 1 ]; then $$BIN_REL -u; fi" >> $$CRONTAB
-true