Le 12/04/2016 04:00, Chet Ramey a écrit : > On 4/11/16 5:39 PM, Hédy GIRAUDEAU wrote: >> Hi, >> If i use : `strace bash -c "echo qsd | cat" 2>&1 | grep "close"` >> I get systematically : >> >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(3) = 0 >> close(4) = 0 >> close(4) = -1 EBADF (Bad file descriptor) >> close(3) = 0 >> close(3) = -1 EBADF (Bad file descriptor) >> >> >> I don't know if it's a bug or not. This error happens everytime a >> pipeline is used. > It's not a bug, it's bash making sure pipe file descriptors are closed. >
Oh ok. That's a odd way to make sure that a file descriptor is closed but at least it works. Sorry for disturbing.
