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Full Discussion: sed in awk ? or nested awk ?
Top Forums UNIX for Advanced & Expert Users sed in awk ? or nested awk ? Post 302165051 by varungupta on Wednesday 6th of February 2008 04:18:51 PM
Old 02-06-2008
Lightbulb How to get the cell's value in a searched record ?
Quote:
Originally Posted by rubin
AFAIK the problem lies in using single quotes in the second awk command. You are running a nested awk, so using single quotes again will confuse the initial outer awk script, (I ran into the same problem before).
So I'd suggest try to avoid the single quotes and use the other methods shown here to assign the variables.

Hope it helps.
Hey,

Could you please tell me, how to get a particular cell value using awk.
As far as I know, awk works on records.,

As :
--------------------------------------
mqsiaaa 123 888
mqsiddd 456 999
t2589gg 789 555
-------------------------------------

In the above table, say i search using $2 column and i want to get the value of $3 of that searched record.

awk '$2~/456/ { printf $3 > "filefilter"}' temp.txt

Means I want the 999 only corrosponding to the search, but as awk works on records and $3 represent whole third column, it used to give me
888
999
555
all the three values in filefilter., BUT i want only 999 (respective to the matched record and its 3rd cell value.)

How to achieve that ??
Do let me know.

Thanks in advance.
Varun.Smilie
 

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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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