> $as_echo "$as_me:${as_lineno-$LINENUM}: error: $1" >&$3
That is valid, if and only if $3 expands to an integer.
> > Which shells, and what is the text of the error?
> echo "foobar" >&$3
What is $3 during the time of your testing? In isolation,
I can reproduce failures, but only when $3 is invalid.
> I haven't narrowed this down to a specific fault, but I suspect an error
> in the m4sh code. I think
> Has anyone else seen this?
No. That's because you are missing some context:
| if test "$3"; then
| as_lineno=${as_lineno-"$2"}
as_lineno_stack=as_lineno_stack=$as_lineno_stack
| $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
| fi
Notice how the only way that we can encounter >&$3 is if $3
is non-empty.
> I could do with a modification here so that I don't get an >&$
> redirection structure. Can anyone advise on how to fix this within m4sh?
You'll have to demonstrate an instance of the bug in context, first.
--
Eric Blake
--
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