[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_BMPTOPNM" == "y" ] && EXTERNAL_FILES+=" /usr/bin/bmptopnm"
[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_GIFTOPNM" == "y" ] && EXTERNAL_FILES+=" /usr/bin/giftopnm"
[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_JPEGTOPNM" == "y" ] && EXTERNAL_FILES+=" /usr/bin/jpegtopnm"
[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_PNGTOPNM" == "y" ] && EXTERNAL_FILES+=" /usr/bin/pngtopnm"
[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_PNMTOJPEG" == "y" ] && EXTERNAL_FILES+=" /usr/bin/pnmtojpeg"
[ "$EXTERNAL_FREETZ_PACKAGE_NETPBM_PNMTOPNG" == "y" ] && EXTERNAL_FILES+=" /usr/bin/pnmtopng"