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Full Discussion: Use of awk to filter out the command output
Top Forums Shell Programming and Scripting Use of awk to filter out the command output Post 302885737 by omkar.jadhav on Tuesday 28th of January 2014 07:19:02 AM
Old 01-28-2014
Use of awk to filter out the command output
Hi All,

I am trying to find out number of cores present for hp-ux server from the output of print_manifest (as shown below). i suppose awk will be best tool to use for filtering.
output of print_manifest is :
PHP Code:
System Hardware
    Model:              ia64 hp Integrity Virtual Partition
    Main Memory:        6137 MB
    Processors:         2
        Intel(R)  Itanium(R)  Processor 9560 (2.53 GHz, 32 MB)
        8 cores, 16 logical processors per socket
        6.38 GT/s QPI, CPU version D0
               Active processor count:
               1 socket
               1 core
               2 logical processors (2 per socket)
               LCPU attribute is enabled 
search should satisfy below conditions :
1. first it should check for presence of 'core' , this can be achived using
Code:
# print_manifest | grep -i "core"
        8 cores, 16 logical processors per socket
               1 core

now as the output shows , 8 cores are of physical machine on which this particular vm is built and 1 core is the actual number of cores assigned to this HP-UX vm. so can someone let me know how can i filter out only the numerical value that is 8 and 1
 

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LEARN ABOUT DEBIAN

dpkg-awk

DPKG-AWK(1)						      General Commands Manual						       DPKG-AWK(1)

NAME

       dpkg-awk - Utility to read a dpkg style db file

SYNOPSIS

       dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> ..

DESCRIPTION

       dpkg-awk  Parses  a  dpkg status file (or other similarly formatted file) and outputs the resulting records.  It can use regex on the field
       values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields.

OPTIONS

       -f filename
       --file filename
	      The file to parse.  The default is /var/lib/dpkg/status.

       -d [#]
       --debug [#]
	      Each time this is specified, it increased the debug level.

       -s field(s)
       --sort field(s)
	      A space or comma separated list of fields to sort on.

       -n field(s)
       --numeric field(s)
	      A space or comma separated list of fields that should be interpreted as numeric in value.

       -rs ??
       --rec_sep ??
	      Output this string at the end of each output paragraph.

       -h
       --help Display some help.

       fieldname
	      The fields from the file, that are matched with the regex given.	The fieldnames are case insensitive.

       out_fieldname
	      The fields from the file, that are output for each record.  If the first field listed begins with ^, then the list  of  fields  that
	      follows will NOT be output.

BUGS

       Be  warned  that  the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro-
       gram.

       This program comes with no warranties.  If running this program causes fire and brimstone to rain down upon the earth, you will be on  your
       own.

       This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg.

AUTHOR

       Adam Heath <doogie@debian.org>

DEBIAN
								 Debian Utilities						       DPKG-AWK(1)
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