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Top Forums UNIX for Beginners Questions & Answers WHy do we need both append and output directives? Post 303001576 by MadeInGermany on Monday 7th of August 2017 03:20:02 PM
Old 08-07-2017
I doubt this construct can be useful at all.
I even get strange behavior: after the command (yum -y update) is run, it takes one further command from stdin that is run but not passed to the >( ).
Maybe a bug in bash.?
I would rewrite it
Code:
yum -y update | /usr/bin/tee /var/log/file

 

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YUM-CHANGELOG.CONF(5)						   File Formats 					     YUM-CHANGELOG.CONF(5)

NAME
yum-changelog.conf(5) SYNOPSIS
yum-changelog.conf(5) is the configuration file for yum-changelog(1) Yum plugin for viewing package changelogs before/after updating. By default, this plugin will show the changelogs before the updates. FILES
/etc/yum/pluginconf.d/changelog.conf FILE FORMAT
yum-changelog.conf(5) utilizes configuration options in the form of OPTION=VALUE OPTION
when This option reflects when yum-changelog(1) will allow changelog viewing during yum updates. VALUE
pre To make yum-changelog(5) show the changelog before the yum updates post To make yum-changelog(5) show the changelog after the yum updates. OPTION
always This option reflects specifies if the changelog should always be shown. VALUE
true The changelog is always displayed. false A command line option is required for the changelog to be displayed. OPTION
updateinfo This option specifies that the "changelog" from the repo. updateinfo should be shown. VALUE
true The updateinfo is displayed. false The updateinfo is never displayed. OPTION
updateinfo_always This option reflects specifies if the "changelog" from the repo. should always be shown (note that if updateinfo is false then this option has no meaning). VALUE
true The updateinfo is always displayed. false A command line option is required for the updateinfo to be displayed. AUTHOR
Chitlesh Goorah <chitlesh@fedoraproject.org> SEE ALSO
yum-changelog(1) 08 FEBRUARY 2007 YUM-CHANGELOG.CONF(5)
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