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Full Discussion: Sort based on one column
Top Forums UNIX for Beginners Questions & Answers Sort based on one column Post 303041928 by Scrutinizer on Saturday 7th of December 2019 07:46:28 AM
Old 12-07-2019
Hi, try:

Code:
awk '/^[0-9]/{print x}1' file | 
awk '{$1=$1}1' RS= FS='\n' OFS=§ |
sort -rnk 5,5 |
tr § '\n'

  1. Split the records with a blank line, using a digit on the first position as the indicator of a new record
  2. Replace the line terminators of records with an obscure character (paragraph character was used here (§), but it could be any character as long as it is not used in the input file) and remove the empty line that was introduced in step 1
  3. Numeric reverse sort of the records on the 5th field
  4. Reassemble the records to their original state by replacing the obscure character by a newline

Last edited by Scrutinizer; 12-07-2019 at 09:07 AM..
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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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