FT3DのGPSログを(緯度,経度,標高)のCSVに変換

converter.sh

#!/bin/sh

FILE_NAME="210731081630.log"
OUTPUT_NAME="output.csv"

nkf -Lu ${FILE_NAME} | grep GPGGA | awk -F "," '{
  if ( $3 != "" ) {
    N=$3
    E=$5
    H=$10

    N_D=substr($3, 1, 2)
    N_M=substr($3, 3, 9)

    E_D=substr($5, 1, 3)
    E_M=substr($5, 4, 10)

    printf("%d.%d, ", N_D, (N_M*10000)/60)
    printf("%d.%d, ", E_D, (E_M*10000)/60)
    printf("%.1f\n", H)
  }
}' >| ${OUTPUT_NAME}