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Re: set command overrides my ARGV array

From: Eric Blake
Subject: Re: set command overrides my ARGV array
Date: Tue, 27 Dec 2016 14:31:19 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

On 12/27/2016 10:21 AM, Martin MOKREJŠ wrote:
> Hi,
>   I wanted to enable error code reporting for piped processes. This
> should be doable by "set -o pipeline on". The problem is it kills my $*
> array and defines $1="on".

That's because you used the wrong syntax.

'set -o pipefail' turns it on,
'set +o pipefail' turns it off

'set -o pipefail on' is the same as 'set -o pipefail; set on', which
turns it on but also changes $*.

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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