crontab job + speedtest-cli to measure isp speed

trackMyISPThroughput.sh

#!/bin/bash

# schedule with crontab -e every x hours/ minutes
# install speedtest https://www.speedtest.net/apps/cli
str1="\""
str2="\","
FILE=/home/rossy/vodafone_speed.log

if [ ! -f "$FILE" ]; then # if file does not exist, create csv header
   echo "creating file $FILE !"
   /usr/bin/speedtest -s 2495 -f csv --output-header >> $FILE  # create new file
fi

{ echo -n  ${str1};  echo -n `date "+%d.%m.%Y %H:%M:%S"`;  echo -n ${str2}; } >> $FILE  #append date 
/usr/bin/speedtest -s 2495 -f csv >> $FILE  # append throughput