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Full Discussion: awk --> math-operation in a array
Top Forums Shell Programming and Scripting awk --> math-operation in a array Post 302866453 by IMPe on Tuesday 22nd of October 2013 04:03:40 AM
Old 10-22-2013
awk --> math-operation in a array
Hi

main object is categorize the difference of data-values (TLUFT02B - TLUFT12B).
herefor i read out data-files which are named
acording to the timeformat yyyymmddhhmm.
Code:
WR030B      266.48 Grad      0
WR050B      271.46 Grad      0
WR120B      268.11 Grad      0
WV030B        2.51 m/s       0
WV050B        3.47 m/s       0
WV120B        4.82 m/s       0
TLUFT02B      7.82 °C       0
TLUFT12B      6.87 °C       0
NSCHLB        0.00 mm        0

i try to read out the data and write it in a new file, with ...
Code:
#!/bin/bash
a=$(date --date '1 month ago' +%m)
e=$(date +%m)
y=$(date +%Y)
home=$HOME/Desktop/Messdaten/METE
cd $home
fpat=$(ls `eval echo $y{$a,$e}*` | tail -n 1584) ## 1584 Dateien entspr. 11 Tagen
for i in $fpat
do
      if test -f "$i"
      then
         Dy=${i:2:2} Dm=${i:4:2} Dd=${i:6:2}
        UZh=${i:8:2} UZm=${i:10:2}
        res=$(awk '{A[$1]=$2}END{print A["WV120B"], A["WR120B"], A["NSCHLB"], A["TLUFT12B"], A["TLUFT02B"]}' OFS='\t' "$i")
       T120=$(awk '{B[$1]=$2}END{print B["TLUFT12B"]}' "$i")
        T20=$(awk '{C[$1]=$2}END{print C["TLUFT02B"]}' "$i")
        printf "%s/%s/%s-%s:%s\t%s\t%s\n" $Dm $Dd $Dy $UZh $UZm "$res" "$T20-$T120"
      else
        DAT=$(date +%Y%m%d)
        printf "$DAT - Datei $i nicht vorhanden" >> "$home/../Logfiles/Log_$(date +%Y%m%d).log"
    fi
done

I want the difference of the values T20 and T120 -- blue!
but in the printf-comand gave me the listed values seperatet by the minus.
Please, can someone give me a hint
thanks in advance,
IMPe
Last edited by IMPe; 10-22-2013 at 05:19 AM..
 

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LEARN ABOUT PHP

date_parse_from_format

DATE_PARSE_FROM_FORMAT(3)						 1						 DATE_PARSE_FROM_FORMAT(3)

date_parse_from_format - Get info about given date formatted according to the specified format

SYNOPSIS

       array date_parse_from_format (string  $format, string  $date)

DESCRIPTION

	Returns associative array with detailed info about given date.

PARAMETERS

	      o $format
		- Format accepted by DateTime.createFromFormat(3).

	      o $date
		- String representing the date.

RETURN VALUES

	Returns associative array with detailed info about given date.

EXAMPLES

       Example #1

	      date_parse_from_format(3) example

	      <?php
	      $date = "6.1.2009 13:00+01:00";
	      print_r(date_parse_from_format("j.n.Y H:iP", $date));
	      ?>

	      The above example will output:

	      Array
	      (
		  [year] => 2009
		  [month] => 1
		  [day] => 6
		  [hour] => 13
		  [minute] => 0
		  [second] => 0
		  [fraction] =>
		  [warning_count] => 0
		  [warnings] => Array
		      (
		      )

		  [error_count] => 0
		  [errors] => Array
		      (
		      )

		  [is_localtime] => 1
		  [zone_type] => 1
		  [zone] => -60
		  [is_dst] =>
	      )

SEE ALSO

       DateTime.createFromFormat(3), checkdate(3).

PHP Documentation Group 												 DATE_PARSE_FROM_FORMAT(3)
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