How do I change the subject of each of my cron jobs?

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP


How do I change the subject of each of my cron jobs?



This my crontab file:


# Edit this file to introduce tasks to be run by cron.
MAILTO=richardheyes@gmail.com

0 0 * * * ./backup.sh
0 8,12,16,20 * * * /bin/bash /kunden/homepages/46/d548322256/htdocs/dev/admin/sitemaps/create.sh
0 8,12,16,20 * * * `which php7.1` -q /kunden/homepages/46/d548322256/htdocs/dev/admin/sitemap-html/create.php



As you can see there's a backup shell script, a shell script creates a plain text sitemap file and a PHP command-line script that creates a HTML sitemap.



The resulting sitemaps are viewable here:



https://www.rgraph.net/sitemap.txt



https://www.rgraph.net/sitemap.html



The resulting emails from the cron tasks come through to me as intended but with a subject line like this:


Cron <u78819167@infongp-uk31> `which php7.1` -q /kunden/homepages/46/d548322256/htdocs/dev/admin/sitemap-html/create.php
Cron <u78819167@infongp-uk31> ./backup.sh



Which is just plain ugly. Now I could prevent the email by ensuring the tasks don't produce any output or redirecting the output to /dev/null - but if any errors crop up I'd like to see it.



So my question is:



How can I change these butt ugly subjects to something that looks nicer, on a per cron job basis? Is there an environment variable that I can set from each script that would be used as the subject?









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