Re: [PATCH] tests: avoid problematic $(< file) shell construct

[Pádraig Brady]

On 12/07/2013 07:41 PM, Pádraig Brady wrote:
> On 12/07/2013 07:11 PM, Pádraig Brady wrote:
>> On 12/07/2013 05:39 PM, Bernhard Voelker wrote:
>>> I'm afraid I'll be tempted to use the $(<file) construct next time
>>> again.  Do you this it's worth adding a new syntax-check?
>>
>> Probably. POSIX says:
>>
>> "With the $( command) form, all characters following the open parenthesis
>> to the matching closing parenthesis constitute the command. Any valid shell
>> script can be used for command, except a script consisting solely of 
>> redirections
>> which produces unspecified results."
> 
> BTW this would probably be a test non specific to coreutils,
> so would be based on something like sc_prohibit_reversed_compare_failure in
> gnulib#s top/maint.mk.
> 
> So I'll apply without this syntax check for now.

I see the shell on freebsd silently converts "$(< file)" to ""
So more reason for a gnulib syntax check