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Full Discussion: Need awk script to compare 2 fields in fixed length file.
Top Forums Shell Programming and Scripting Need awk script to compare 2 fields in fixed length file. Post 302347444 by Muga801 on Tuesday 25th of August 2009 05:10:26 PM
Old 08-25-2009
Need awk script to compare 2 fields in fixed length file.
Need a script that manipulates a fixed length file that will compare 2 fields in that file and if they are equal write that line to a new file.

i.e. If fields 87-93 = fields 119-125, then write the entire line to a new file. Do this for every line in the file. After we get only the fields that have duplicates in a separate file, take that file and look in field 83, if it equals 66 or 88 then delete that line and save to a new file.

I would prefer not to do this in Perl, not many people in this office use or understand Perl. The files format is something like this:

Code:
6ZDA90603C5559518898683765109438327630000100000002132P008377612{22004020AZ 07332  195572A2008101645781015365999999SWZSHINABFMN                              PZTENNBD                    F                                  281808023Z19721202  365944281 00354299505F85323          CC0501AB            000900000000{  7242                                            2001A{{0000002132P00000000{0000000000{0000002132P0000000000{0000000000{0000000000{3{2004622008110109WC0725200810170830009031                                                       2008110320081103O001200401062004010699245                   00{00000000{00002132P00000000{NW0000{00000000{C00002132PA1                       AZ 270036484A01785306    207L00000XY1270036484    22O3R03MO   BZ 108  V       00                  0   E 03O00105
8WGB90603C000951889962167553050300000007900000234481K000000000{22007078AZ 97698  14084052008103120081024601502995SAZPERRY                              FRGWQFTY                                                     000066760S19760301  112321919400735900702F85613    F     AH0301AA            000800000000{  7244                                            2003A{{0000007854E00000000{0000007350{0000002607E0000000000{0000000000{0000000000{1A2004622008110109WC0725200811030860785028                                                       2007032176431103I00120040422200404229590059                 00D00002840{00000534E00000000{NW0000{00000000{B00000534E42                       AZ 860566486L00285635    2084N0400XY1             11O1A05ZZ   BZ 108WCW       00                  1 01E   O04113
6MDA90603C000951889962120083050300000007900000234481K000000000{22007078AZ 97698  14084053467103120081024601502995SAZPERRY                              MAINE                                                     785633760S19760301  112321919400735900702F85613    F     AH0301AA            000800000000{  7244                                            1822A{{0000002607E00000000{0022007350{0000002607E0468300000{0000000000{0000000000{1A2004622008110109WC0725200811030860785028                                                       2007032112541103I002200404222004042295904                   00D99992680{00001703{00000000{NW0000{67800000{B00001703{42                       AZ 860566486L00285635    2084N0400XY1             11O1A05ME   BZ 108WCW       00                  1 01E   O04013

Last edited by vgersh99; 08-25-2009 at 06:12 PM.. Reason: code tags, PLEASE!
 

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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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