Open the ZIP with Archive Manager (file-roller), then right click on the file "B.cpp" and select "View File", enter gedit as the viewing application, then as gedit loads:
Could not open the file /home/.../B.cpp. You do not have the permissions necessary to open the file. -- Cannot view file with null permissions recorded archive https://bugs.launchpad.net/bugs/249758 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs