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Full Discussion: AIX to RHEL migration - awk treating 0e[0-9]+ as 0 instead of string issue
Top Forums Shell Programming and Scripting AIX to RHEL migration - awk treating 0e[0-9]+ as 0 instead of string issue Post 302997465 by MadeInGermany on Sunday 14th of May 2017 05:17:43 AM
Old 05-14-2017
awk has automatic type conversion.
The ! operator is a boolean that is rather a number (being 1 or 0) than a string, so there is a decent hint to treat the variable as a number.
In border cases there can be differences between awk versions. E.g. the awk in AIX is a derivate from nawk, where awk in Linux is mostly gawk, but some Linux have mawk that is again little different.
The bottom line is, make the data type clear, e.g. typical casts are
var "" append a null string, result is a string
var+0 add a zero, result is a number
This User Gave Thanks to MadeInGermany For This Post:
chill3chee
 

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LEARN ABOUT CENTOS

subscription-manager-gui

subscription-manager-gui(8)				       Subscription Manager				       subscription-manager-gui(8)

NAME

       subscription-manager-gui - Launches the UI client of the Subscription Manager.

SYNOPSIS

       subscription-manager-gui [--register]

DESCRIPTION

       subscription-manager-gui  opens	the  local client tool to manage subscriptions and installed products on Red Hat Enterprise Linux systems.
       The same tasks that can be performed by invoking subscription-manager can be performed in the GUI, including  registering  systems  with  a
       subscription management service, applying and removing subscriptions, and viewing the subscription status of installed products.

       The Subscription Manager UI can also be opened by selecting the Red Hat Subscription Manager item from the Applications > System Tools menu
       in RHEL 5.x or the System > Administration menu in RHEL 6.x.

OPTIONS

       --register
	      If a system has not yet been registered, then the GUI registration page can be opened immediately, as the Subscription  Manager  GUI
	      comes up. This is only relevant for unregistered systems; if this is used after a system is registered, the option is ignored.

REFERENCES

       For  procedures	and  tasks that can be performed in the Subscription Manager UI, check the Gnome help files (by pressing <F1>) or refer to
       the RHEL Subscription  Management  Guide  at  <https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Subscription_Management/1.0/html/Sub-
       scription_Management_Guide/index.html>.

ASSOCIATED FILES

	      * /usr/sbin/subscription-manager-gui

	      * /usr/sbin/subscription-manager

	      * /etc/rhsm/rhsm.conf

BUGS

       This  client  is  part of Red Hat Subscription Manager. To file bugs against this client, go to https://bugzilla.redhat.com, and select Red
       Hat > Red Hat Enterprise Linux > subscription-manager.

AUTHORS

       Deon Lackey, <dlackey@redhat.com>.

COPYRIGHT

       Copyright (c) 2010-2012 Red Hat, Inc. This is licensed under the GNU General Public License, version 2 (GPLv2). A copy of this  license	is
       available at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.

version 1.2							 December 18, 2012				       subscription-manager-gui(8)
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