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Top Forums Shell Programming and Scripting 3 column .csv --> correlation matrix; awk, perl? Post 302669107 by shamrock on Tuesday 10th of July 2012 12:06:29 PM
Old 07-10-2012
Try this awk script...
Code:
awk -F, 'BEGIN {OFS = ","}
{
   t = t ? (l != $1 ? t OFS $1 : t) : OFS $1
   x[$1] = x[$1] ? x[$1] OFS $NF : $NF
   l = $1
} END {
   print t
   for (i in x) print i, x[i]
}' file

This User Gave Thanks to shamrock For This Post:
 

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obd2csv(1)						      General Commands Manual							obd2csv(1)

NAME
obd2csv - Convert obdgpslogger(1) logs to csv files SYNOPSIS
obd2csv [ options ] DESCRIPTION
Convert obdgpslogger(1) logs to csv files OPTIONS
-o|--out <output filename> Output to this .csv file -d|--db <database> Work from logs stored in this database file -s|--start <time> Only dump rows more recent than this -e|--end <time> Only dump rows older than this -z|--gzip gzip compress output using zlib [if available] -v|--version Print out version number and exit. -h|--help Print out help and exit. NOT OPTIONS
These options aren't intended for end-users, they're for the GUI. -p|--progress Print out progress. It will occasionally print a number in the range [0..100], indicating progress percentage. SEE ALSO
obdgpslogger(1), obd2kml(1), obd2gpx(1), obdsim(1), obdgui(1), obdlogrepair(1) AUTHORS
Gary "Chunky Ks" Briggs <chunky@icculus.org> obd2csv(1)
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