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Full Discussion: getting problem in awk command
Top Forums Shell Programming and Scripting getting problem in awk command Post 302516938 by ravi_agarwalla on Monday 25th of April 2011 02:48:02 PM
Old 04-25-2011
Quote:
Originally Posted by Corona688
Yes, but that doesn't answer my question.

If you just want all columns to remain the same width, the solution I posted should work.
ok let me check. but can you explain how it works.. what the split will do.. and if my file has more than 50 columns and i want to increase value of 40th field then will it work?


below is what i am getting.. its not the desired result
Code:
ravi@andLinux:~/RAVI$ awk 'BEGIN { FS="|"; OFS="|"; split("1|4|2|2|2|2|2", W, "|
"); }
{ if($1 > 1) $6 += 2;
   for(N=1; W[N]; N++) while(length($N) < W[$N]) $N=" "$N;
   print; }' test1.txt
1|2345|23|34|98|6  | 2
 2|4356|54|12|76| 7| 5
 3|2342|65|76|4 | 5| 7
 4|4556|76|34|54| 4|8
 5|2352|87|12|23|9|9
ravi@andLinux:~/RAVI$

Its still not in correct format

Moderator's Comments:
Mod Comment Code tags, please...
Last edited by Scott; 04-25-2011 at 03:54 PM.. Reason: Code tags
 

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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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