Re: Shell redirection success/failure isn't checked

[Chet Ramey]

Jeff Connelly wrote:

> On a related note:
> bash-3.00$ ulimit -f 0
> bash-3.00$ echo foo>bar
> File size limit exceeded
> (logs out)
>
> I'm not sure if this is a bug. Does it occur because bash tries to open the cwd?
> Not logging the user out would be the preferable behavior.

Exceeding the file size limit causes SIGXFSZ to be delivered, which,
if not caught, terminates the process.

> Repeat-By:
>         bash-3.00$ dd if=/dev/zero of=junk
>         dd: writing to `junk': No space left on device
>         276353+0 records in
>         276352+0 records out
>         bash-3.00$ echo foo>bar
>         bash-3.00$ cat bar

Did you happen to check the return value from `echo'?  It will fail,
though it does not report write errors to stderr.

Chet