ECMWF Precipitation 1 Hour - S3 Shell Script Downloader With Aria2

ecmwf_precip_s3_downloader.sh

#!/bin/bash

type=$1
startY=$(($2))
endY=$(($3))

# trap ctrl-c and call ctrl_c()
trap ctrl_c INT

function ctrl_c() {
    echo "CANCELLED"
    exit -1
}

for((year=$startY;year<=$endY;year++)); do
    for m in {1..12}
    do
        url="http://era5-pds.s3.amazonaws.com/"$year/`printf %02d $m`/data/precipitation_amount_1hour_Accumulation.nc
        filename="precip_1_hour_"$year"_"$m".nc"
        echo "filename: " $filename
        echo "Downloading url: " $url
        aria2c -x10 -o $filename $url
        echo "url: " $url
    done
done