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Finding installed packages on Linux machine

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Operating Systems Linux Red Hat Finding installed packages on Linux machine
# 1  
Old 11-15-2013
Finding installed packages on Linux machine
Hi,

i am trying to grab all the installed packages on linux machine,and only want to grab "Name" "Version" "Release" "Vendor" information
i am using below command to do so :
Code:
 
rpm -qa --info | grep -e 'Name' -e 'Version' -e 'Release' -e 'Vendor'

Code:
 
the output contains lot other info like below:
Name        : libidn                       Relocations: (not relocatable)
Version     : 0.6.5                             Vendor: Red Hat, Inc.
Release     : 1.1                           Build Date: Thu 13 Jul 2006 08:20:40 AM BST
Summary     : Internationalized Domain Name support library
Names (IDN) working group, used for internationalized domain
Name        : libXau                       Relocations: (not relocatable)

can someone help me with script in extarcting just the name,version,release,vendor on a separate lines..
# 2  
Old 11-15-2013
You may nee to extend your searching. Try :-
Code:
rpm -qa --info | grep -e '^Name ' -e 'Version' -e 'Release' -e 'Vendor'

Note the trailing space for Name too.

It should give you:-
Code:
Name        : libidn                       Relocations: (not relocatable)
Version     : 0.6.5                             Vendor: Red Hat, Inc.
Release     : 1.1                           Build Date: Thu 13 Jul 2006 08:20:40 AM BST
Name        : libXau                       Relocations: (not relocatable)

I'm not sure if the last line may be a problem or if that is the next entry.


I hope that this helps.

Robin
Liverpool/Blackburn
UK
This User Gave Thanks to rbatte1 For This Post:
omkar.jadhav
# 3  
Old 11-15-2013
thanks ...but i got the solution..there is in built switch availabale which gives you freedom to manipulate the data representation:

Code:
rpm -qa --queryformat 'Name:%{NAME}\nVersion:%{VERSION}-%{RELEASE}\nVendor:%{VENDOR}\n'

this will give u the output as follow:
Code:
 
Name:linuxwacom
Version:0.7.8.3-11.2.el5_8
Vendor:Red Hat, Inc.

This User Gave Thanks to omkar.jadhav For This Post:
rbatte1
# 4  
Old 11-15-2013
Thanks for this. I'm happy to learn of it too. Smilie



Robin
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