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Re: How to tell Bash multiple values are success?
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From: |
Greg Wooledge |
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Subject: |
Re: How to tell Bash multiple values are success? |
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Date: |
Wed, 19 Jun 2019 11:08:20 -0400 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Wed, Jun 19, 2019 at 11:01:46AM -0400, Jeffrey Walton wrote:
> if dnf -y update &>/dev/null
> then
> echo "Upgraded system"
> else
> echo "Failed to upgrade system"
> exit 1
> fi
>
> The problems seems to be 0, 100 and 200 are success. When updates are
> installed either 100 or 200 is returned. Confer,
> https://dnf.readthedocs.io/en/latest/command_ref.html .
dnf -y update >/dev/null 2>&1
rc=$?
case $rc in
0|100|200) echo "Upgraded system";;
*) echo "Failed up upgrade system"; exit 1;;
esac