File Size | Shell Script

filesize.sh

#!/bin/bash

# read -e -p "Enter File URL: " fileUrl

# if [ -z "${fileUrl}" ];then
#     echo "Missing File URL!"
#     exit
# fi

bytesToHuman() {
    b=${1:-0}; d=''; s=0; S=(Bytes {K,M,G,T,E,P,Y,Z}iB)
    while ((b > 1024)); do
        d="$(printf ".%02d" $((b % 1024 * 100 / 1024)))"
        b=$((b / 1024))
        let s++
    done
    echo "$b$d ${S[$s]}"
}

URL=$1

if [ -z "$URL" ]; then
    printf "\nUsage:\n\t filesize <file url>\n\n"
    exit 0;
fi

FILE_NAME=$(basename "$URL")
#FILE_SIZE=$(curl "$URL" --silent --write-out '%{size_download}\n' --output /dev/null)
#GZIP=$(curl "$URL" --silent -H 'Accept-Encoding: gzip,deflate' --write-out '%{size_download}\n' --output /dev/null)
FILE_SIZE=$(http --headers "$URL" | grep -i Content-Length | awk '{print $2}')

printf "\nFile Name:\n$FILE_NAME"
printf "\nFile Size: $(bytesToHuman $FILE_SIZE)\n"