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Top Forums UNIX for Beginners Questions & Answers Please help with Linux script to compare file two fields values Post 303044252 by mamtsism on Monday 17th of February 2020 10:49:29 AM
Old 02-17-2020
Please help with Linux script to compare file two fields values

I need to compare two dates for each line of the .txt file. If value in position 11 is equal to ‘02407' and ‘21100220' minus ‘19860220' equal to 124 years I want to bypass this record, otherwise I want this record written to the output.

This is a sample data in the file:

19860220 02407 21100220

19660121 02501 20200218

19670301 02501 20200218

19880420 03105

I am trying to accomplish this with SED or AWK command.

Last edited by mamtsism; 02-19-2020 at 10:58 AM.. Reason: To show data and change post details.
 

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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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