Install shell script
echo "YOUR KEY" > /etc/crondiary.conf; \ curl --silent https://gist.githubusercontent.com/scr34m/9ef10221cc31600bf4de430f303c7726/raw/crondiary > /usr/bin/crondiary; \ chmod +x /usr/bin/crondiary
Shell script
Command line usage just install under /usr/bin and store your API key in ~/.crondiary or /etc/crondiary.conf.
An example: CRONDIARY_JOB=test crondiary 'echo sleep; sleep 5; echo done'