On 26/11/16 23:49, Paul Eggert wrote: > On 11/25/2016 06:00 PM, Paul Eggert wrote: >> Isn't that a bug in glibc freopen? It shouldn't fail ... merely >> because stdin doesn't have a valid file descriptor. If so, we should >> fix the Gnulib freopen module to work around the bug. > > I did that, by installing the attached patches into Gnulib (first patch) > and into Coreutils (2nd and 3rd patches). This fixes the shuf bug for > me, so closing the bug report. CC'ing to bug-gnulib due to the Gnulib fix.
Cool thanks. I see it does the equivalent of: $tool file 0>&- || $tool file </dev/null Does the freopen module now need to depend on the dup2 and open modules? For example using dup2(fd, fd) to test fd validity fails on Linux 2.6.29 thanks, Pádraig
