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Top Forums UNIX for Dummies Questions & Answers keeping last record among group of records with common fields (awk) Post 302711561 by elixir_sinari on Sunday 7th of October 2012 03:04:53 AM
Old 10-07-2012
Assuming only positive values in the third field, you may try:
Code:
BEGIN{FS=";"}
$3>=highest[$1,$2]{maxrec[$1,$2]=$0;highest[$1,$2]=$3}
END{
for(i in maxrec)
 print maxrec[i]
}


Last edited by elixir_sinari; 10-07-2012 at 04:11 AM..
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JACK-RACK(1)						      General Commands Manual						      JACK-RACK(1)

NAME
jack-rack - a LADSPA effects rack SYNOPSIS
jack-rack [options] files... DESCRIPTION
This manual page documents briefly the jack-rack command. This manual page was written for the Debian distribution because the original program does not have a manual page. The jack-rack program allows you to load several LADSPA plugins and stack them together in order to build a virtual effects box. OPTIONS
This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. -h, --help Display this help info -p, --pid-name Use the pid in the JACK client name (default) -s, --string-name Use <string> in the JACK client name -n, --name Use just jack_rack as the client name -i, --input Connected inputs to the first two physical capture ports -o, --output Connected outputs to the first two physical playback ports -c, --channels <int> How many input and output channels the rack should use (default: 2) -D, --tmpdir <dir> Tell JACK to use <dir> for its temporary files SEE ALSO
jackd(1), AUTHOR
This manual page was written by Guenter Geiger <geiger@debian.org>, for the Debian GNU/Linux system (but may be used by others). June 6, 2003 JACK-RACK(1)
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