wget is used to download files. When you use wget to run cronjob, it creates a lot of files. To avoid this, you can use the wget option -qO-
If you want to use wget, you can use -O option, that speicify file to save. You can use -O /dev/stdout, so downloaded file content will be written to stdout.
wget -O /dev/stdout http://checkip.amazonaws.com
You can use -q to hide the download progres message (quite).
wget -q -O /dev/stdout http://checkip.amazonaws.com
-O /dev/stdout can be replaced with
-O -
Or
-O-
Example
wget -qO- http://checkip.amazonaws.com
See wget
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