Cant get awk 1liner to remove duplicate lines from Delimited file, get "event not found" error..help Post: 302791503

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Top Forums Shell Programming and Scripting Cant get awk 1liner to remove duplicate lines from Delimited file, get "event not found" error..help Post 302791503 by andy b on Monday 8th of April 2013 03:25:16 PM

04-08-2013

Registered User

Cant get awk 1liner to remove duplicate lines from Delimited file, get "event not found" error..help

Hi,

I am on a Solaris8 machine

If someone can help me with adjusting this awk 1 liner (turning it into a real awkscript) to get by this "event not found error"

...or

Present Perl solution code that works for Perl5.8 in the csh shell ...that would be great.
******************

Here is the comma delimited InputFile i have (File1.dat):

It has (7 records each with 3 fields)

I want to define a duplicate record as any record where Field1 & Field2 values repeat across 2 or more records so that in by input file below...I have 3 duplicate records. Then I want to only keep the 1st occurrence of this duplicate record.

kk,12,a
aa,11,n --> duplicate
ee,13,b
aa,11,f --> duplicate
bb,17,k
pp,12,t
aa,11,w --> duplicate

What I want my awk script or perlscript to do is produce the following output (that is reduce the file from the 7records to 5records) , in essence keeping the 1st duplicate line, record only (again duplicate is defined as Field1 & Field2 having the same value across the records)

Desired Output File is here (5records, it kept only the 1st duplicate):

kk,12,a
aa,11,n
ee,13,b
bb,17,k
pp,12,t

I tried the following awk 1-liner at the csh prompt

awk '!x[$1,$2]++' FS="," File1.dat

but got the error message "Event not found"

***********

If someone knows how i can correct the above awk 1liner or how to make an alternative multi-line awk or perl script to do this ..that okay with me also. Just let me know where in your code it references

a) the fact that the files are comma delmited
b) Field1 & Field 2 as the fields by which to classify a record as a duplicate

Thanks in advance (this has stumped me for hours ..)

andy b

andy b

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LEARN ABOUT DEBIAN

dpkg-ruby

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

NAME

       dpkg-ruby - Utility to read a dpkg style db file, dpkg-awk clone

SYNOPSIS

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

DESCRIPTION

       dpkg-ruby Parses a dpkg status file(or other similarly formated file) and outputs the resulting records.  It can use  regex  on	the  field
       values to limit the returned records, and it can also be told which fields to output.  As another option, 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 outputted for each record.  If the first field listed is begins with ^, then the list that fol-
	      lows are fields NOT to be outputted.

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 our
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