-defaultextension makes it impossible to open files with no extension.  By making sure .ngc comes first in the list, it is still appended ("smartly", according to the docs) when you type a filename without extension and it doesn't exist that way.
-defaultextension makes it impossible to open files with no
extension.  By making sure .ngc comes first in the list, it is
still appended ("smartly", according to the docs) when you type a
filename without extension and it doesn't exist that way.

ArcEye/MK-Qt5,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,kinsamanka/machinekit,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,strahlex/machinekit,cdsteinkuehler/linuxcnc,narogon/linuxcnc,mhaberler/machinekit,Cid427/machinekit,ArcEye/machinekit-testing,mhaberler/machinekit,EqAfrica/machinekit,unseenlaser/machinekit,mhaberler/machinekit,yishinli/emc2,aschiffler/linuxcnc,unseenlaser/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,unseenlaser/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,unseenlaser/linuxcnc,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,unseenlaser/machinekit,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,Cid427/machinekit,narogon/linuxcnc,unseenlaser/linuxcnc,araisrobo/linuxcnc,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,cnc-club/linuxcnc,EqAfrica/machinekit,mhaberler/machinekit,Cid427/machinekit,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,aschiffler/linuxcnc,mhaberler/machinekit,mhaberler/machinekit,araisrobo/linuxcnc,cdsteinkuehler/linuxcnc,kinsamanka/machinekit,narogon/linuxcnc,yishinli/emc2,jaguarcat79/ILC-with-LinuxCNC,ianmcmahon/linuxcnc-mirror,araisrobo/machinekit,unseenlaser/machinekit,cnc-club/linuxcnc,bmwiedemann/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,aschiffler/linuxcnc,unseenlaser/machinekit,araisrobo/machinekit,aschiffler/linuxcnc,RunningLight/machinekit,araisrobo/machinekit,cdsteinkuehler/MachineKit,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,mhaberler/machinekit,strahlex/machinekit,Cid427/machinekit,bobvanderlinden/machinekit,strahlex/machinekit,araisrobo/machinekit,cdsteinkuehler/MachineKit,cnc-club/linuxcnc,RunningLight/machinekit,unseenlaser/linuxcnc,ArcEye/machinekit-testing,ArcEye/machinekit-testing,cnc-club/linuxcnc,araisrobo/machinekit,jaguarcat79/ILC-with-LinuxCNC,araisrobo/machinekit,unseenlaser/machinekit,kinsamanka/machinekit,ArcEye/machinekit-testing,EqAfrica/machinekit,Cid427/machinekit,Cid427/machinekit,ikcalB/linuxcnc-mirror,araisrobo/linuxcnc,yishinli/emc2,bobvanderlinden/machinekit,RunningLight/machinekit,ianmcmahon/linuxcnc-mirror,Cid427/machinekit,RunningLight/machinekit,strahlex/machinekit,jaguarcat79/ILC-with-LinuxCNC,bobvanderlinden/machinekit,unseenlaser/linuxcnc,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,araisrobo/machinekit,kinsamanka/machinekit,mhaberler/machinekit,cdsteinkuehler/linuxcnc,RunningLight/machinekit,RunningLight/machinekit,kinsamanka/machinekit,ianmcmahon/linuxcnc-mirror,EqAfrica/machinekit,cdsteinkuehler/linuxcnc,yishinli/emc2,jaguarcat79/ILC-with-LinuxCNC,aschiffler/linuxcnc,unseenlaser/linuxcnc,ianmcmahon/linuxcnc-mirror,araisrobo/machinekit,ArcEye/MK-Qt5,bobvanderlinden/machinekit,cnc-club/linuxcnc,unseenlaser/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,ianmcmahon/linuxcnc-mirror,araisrobo/linuxcnc,araisrobo/machinekit,ArcEye/machinekit-testing,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,cdsteinkuehler/linuxcnc,cnc-club/linuxcnc,narogon/linuxcnc,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,strahlex/machinekit,araisrobo/linuxcnc,RunningLight/machinekit,cnc-club/linuxcnc,narogon/linuxcnc,strahlex/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,strahlex/machinekit,ArcEye/MK-Qt5,bobvanderlinden/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/MachineKit,cdsteinkuehler/MachineKit,EqAfrica/machinekit