Date: Thu, 06 Nov 2014 12:31:57 -0500 From: Eric van Gyzen <eric@vangyzen.net> To: Fabian Keil <freebsd-listen@fabiankeil.de> Cc: Freebsd current <freebsd-current@freebsd.org> Subject: Re: sh: "local" assignment from command loses exit status Message-ID: <545BB08D.4020402@vangyzen.net> In-Reply-To: <74dd7d12.793ea654@fabiankeil.de> References: <545BADDE.5050605@vangyzen.net> <74dd7d12.793ea654@fabiankeil.de>
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On 11/06/2014 12:30, Fabian Keil wrote:
> Eric van Gyzen <eric@vangyzen.net> wrote:
>
>> In sh, if I use a single statement to declare a local variable and
>> assign the output of a command to it, the exit status of that command is
>> lost. For example:
>>
>> should_return_false() {
>> local var1=`false`
>> }
>>
>> The function should return non-zero, but it returns zero.
> The function should return the return code of the last command.
> In your example, the last command is "local".
Fair enough. What about errexit? The shell ran a command whose exit
status was not tested, that status was failure, yet the shell did not exit.
Eric
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