On Fri, Aug 4, 2017 at 6:58 PM, Johannes Schindelin
<johannes.schinde...@gmx.de> wrote:
> There is a very useful feature in Bash where you can redirect the trace
> enabled by `set -x` to a file descriptor *different* than 2. This comes
> in particularly handy when validating the error output of commands, say,
> in Git's test suite, while tracing at the same time.
>
> It is such a useful feature, and very easily implemented.
>
> Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
Um. May I ask for a test for what it does?
By the way...
> +#ifdef BASH_XTRACEFD
> + xtracefd = lookupvar("BASH_XTRACEFD");
> + if (!xtracefd || (preverrout_fd = atoi(xtracefd)) < 0)
> +#endif
Please use #if BASH_XTRACEFD
That way it would work if BASH_XTRACEFD macro is explicitly defined to 0.
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