On Sun, Nov 17, 2024 at 12:16:29 -0600, Mike Peters wrote: > On 2024-11-16 20:35, Greg Wooledge wrote: > > On Sat, Nov 16, 2024 at 16:35:05 -0600, Mike Peters wrote: > > > > exec 3<test.txt > > > > cat <&3 > > > foobar > > > > OK. This part is straightforward. Note that you used a command, cat, > > to write output. You didn't simply type <&3 without a command. > > You're saying that <&3 on an input line by itself should work? It outputs > nothing for me. Effectively the same point as the purpose of this submission. > Although <test.txt by itself doesn't output anything for me either.
No, I'm pointing out that you *did* use cat, because you *needed* to. If you had simply typed <&3 without the cat command, it wouldn't have worked. > > > > exec 3<test.txt > > > > echo `< <(<&3)` Which is why it didn't work here -- there's no cat command. There's no command at all.
