./ngspice-23.tar.gz already exists, skipping download
Getting https://downloads.sourceforge.net/project/ngspice/ng-spice-rework/23/ngspice-23.tar.gz to ./ngspice-23.tar.gz
Getting https://downloads.sourceforge.net/project/ngspice/ng-spice-rework/23/ngspice23-manual.pdf to ./ngspice23-manual.pdf
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404 Not Found