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Full Discussion: Add values to file in 2 new columns
Top Forums UNIX for Beginners Questions & Answers Add values to file in 2 new columns Post 303044018 by jiam912 on Wednesday 12th of February 2020 02:15:45 PM
Old 02-12-2020
Add values to file in 2 new columns
Columns 4 and 5 are X and Y coordinates, column 6 is the elevation

I would like to add 2 new columns at the end of the file with values

the distance between first(X)(Y) and last location (X)(Y), based in 2 rows
the difference in elevation = ($6-prev6)

How to calculate the requested values and add to last columns, and when the records appears only 1 time(columns 1 and 2 single row ), write values 0.00 0.00

Input file

Code:
48047 41513  2  373512.79     2542085.84     154.53      12.64      90.63
48047 41513  3  373513.29     2542085.00     154.52      12.34      91.02
48047 41525  2  373663.51     2542087.65     153.93      12.36      90.70
48047 41525  3  373662.27     2542088.44     153.99      12.76      86.99
48049 39785  2  351912.93     2542112.25     160.91      12.16      90.61
48049 39797  2  352063.17     2542112.38     160.19      12.10      90.66
48049 39809  2  352213.12     2542113.01     159.96      12.24      90.75

Desired Output

Code:
48047 41513  2  373512.79     2542085.84     154.53      12.64      90.63
48047 41513  3  373513.29     2542085.00     154.52      12.34      91.02    0.98     0.01 
48047 41525  2  373663.51     2542087.65     153.93      12.36      90.70
48047 41525  3  373662.27     2542088.44     153.99      12.76      86.99    1.47     0.06
48049 39785  2  351912.93     2542112.25     160.91      12.16      90.61    0.00     0.00
48049 39797  2  352063.17     2542112.38     160.19      12.10      90.66    0.00     0.00
48049 39809  2  352213.12     2542113.01     159.96      12.24      90.75    0.00     0.00

My code works only when the records in columns 1 and 2 are duplicate. If they are not duplicate my code delete the single lines.

Code I use to get the values

Code:
 awk '{
       pp[NR]  = $2
       ll[NR]  = $1
        x[NR]  = $4
        y[NR]  = $5
          z[NR]  = $6
      } END {
               first = 1
               count = 0
               for ( i=1 ; i <= NR ; i++ ) {
                   if (pv[i] != pv[i+1] || line[i] != line[i+1]) {
                      last = i
                      count++
                      dx = x[first]-x[last]
                      dy = y[first]-y[last]
                      el = z[first]-z[last]
                      ele = sqrt(el^2)
                      len[count] = sqrt(dx^2+dy^2)
                      if ( len[count] <= 1000 && len[count] > 0 ) {
                      printf ("%8.2f %8.2f \n",
                      len[count],ele)
                      }\
                      first = i+1
                  }
               }
              }' file

Thanks in advance.
 

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LEARN ABOUT LINUX

irsend

IRSEND(1)							   User Commands							 IRSEND(1)

NAME

       irsend - basic LIRC program to send infra-red commands

SYNOPSIS

       irsend [options] DIRECTIVE REMOTE CODE [CODE...]

DESCRIPTION

       Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such
       as TV boxes, HiFi sets, etc.

       DIRECTIVE can be:
	  SEND_ONCE	    - send CODE [CODE ...] once
	  SEND_START	    - start repeating CODE
	  SEND_STOP	    - stop repeating CODE
	  LIST		    - list configured remote items
	  SET_TRANSMITTERS  - set transmitters NUM [NUM ...]
	  SIMULATE	    - simulate IR event

       REMOTE is the name of a remote, as described in the lircd configuration file.

       CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file.

       NUM is the transmitter number of the hardware device.

       For the LIST DIRECTIVE, REMOTE and/or CODE can be empty:

	  LIST	 ""    ""   - list all configured remote names
	  LIST REMOTE  ""   - list all codes of REMOTE
	  LIST REMOTE CODE  - list only CODE of REMOTE

       The SIMULATE command only works if it has been explicitly enabled in lircd.

       -h --help
	      display usage summary

       -v --version
	      display version

       -d --device
	      use given lircd socket [/var/run/lirc/lircd]

       -a --address=host[:port]
	      connect to lircd at this address

       -# --count=n
	      send command n times

EXAMPLES

	  irsend LIST DenonTuner ""
	  irsend SEND_ONCE  DenonTuner PROG-SCAN
	  irsend SEND_ONCE  OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP
	  irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3
	  irsend SEND_STOP  OnkyoAmpli VOL-DOWN
	  irsend SET_TRANSMITTERS 1
	  irsend SET_TRANSMITTERS 1 3 4
	  irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S"

FILES

       /etc/lirc/lircd.conf
	      Default lircd configuration file.  It should contain all the remotes, their infra-red codes and the corresponding timing	and  wave-
	      form details.

DIAGNOSTICS

       If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics:
       "irsend: could not connect to socket"
       "irsend: Connection refused" (or "Permission denied").

SEE ALSO

       The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory.

       lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org.

irsend 0.9.0-pre1						   October 2010 							 IRSEND(1)
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