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I understand it completely. Thank you! :)

Hello. In some script, I saw:

filename=${1:-/etc/hosts}
if [ -r “$filename” ] && [ -s “$filename” ]; then
md5sum $filename
else
echo “$filename can not be processed”
fi
# Show the file if...

Thank you, figured that out but I want it inside a script.

Why Dropbox and not DynamicDNS? Because I like to live dangerously! XD :)

No, I wanted to learn something new. :)

Thank you.

Hello. I want to achieve this:

1.) Finding my public IP. I have this and it works perfectly:

wget http://ipecho.net/plain -O - -q ; echo2.) I need to write this in a dropbox folder (let's say...