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Top Forums Shell Programming and Scripting Script to run #groups command on list in a file Post 303036501 by MadeInGermany on Saturday 29th of June 2019 07:52:47 AM
Old 06-29-2019
Code:
groups $(< $(hostname)_unlist.txt)

In theory the groups command can overflow with "two many arguments".

The xargs command can avoid it, would rather start another groups command with the remaining arguments.
Code:
xargs groups < $(hostname)_unlist.txt

 

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groups(1B)					     SunOS/BSD Compatibility Package Commands						groups(1B)

NAME
groups - display a user's group memberships SYNOPSIS
/usr/ucb/groups [user]... DESCRIPTION
With no arguments, groups displays the groups to which you belong; else it displays the groups to which the user belongs. Each user belongs to a group specified in the password file /etc/passwd and possibly to other groups as specified in the file /etc/group. If you do not own a file but belong to the group which it is owned by then you are granted group access to the file. FILES
/etc/passwd /etc/group ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
getgroups(2), attributes(5) NOTES
This command is obsolete. SunOS 5.11 14 Sep 1992 groups(1B)
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