Harald van Dijk <[email protected]> wrote: > On 23/04/2018 19:56, Martijn Dekker wrote: >> $ dash -c '{ exec 8</dev/null; } 8<&-; : <&8 && echo "oops, still open"' >> Output: "oops, still open" >> Expected output: Bad file descriptor >> >> Apparently, dash either fails to push the file descriptor onto the stack >> at '} 8<&-', or fails to restore it. >> >> Same bug with loops ending in "done 8<&-". >> >> Confirmed in all dash versions down to 0.5.5.1. > > What surprises me most is that dash has code written specifically to > keep the fd closed. dash would be smaller and simpler if it behaved the > way you expected and the way most other shells behave: just remove all > traces of REALLY_CLOSED.
So did anything happen on the bash front? I'm happy to change if bash moves in the same direction. Cheers, -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
