Difference between cat and echo

Dan Track dan.track at gmail.com
Fri Apr 13 15:54:02 UTC 2007


Hi

I've been testing something out in cron, I ran the following:

MAILTO: user at example.com
* * * * * cat % This is a test message
* * * * * echo % This is a test message

When I get my emails, for the cat command, the subject states: "cat "
and the body states:
"This is a test message"

However for the echo command I get "echo " in the subject but the body is empty.

This made me wonder and hence ask you guys, why does cat work in
outputting the message while echo doesn't?

Thanks in advance for any help.

Dan




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