Re: Difference between cat and echo

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On 4/13/07, Michael Schwendt <mschwendt@xxxxxxxxx> wrote:
On 13/04/07, Dan Track wrote:
> Hi
>
> I've been testing something out in cron, I ran the following:
>
> MAILTO: user@xxxxxxxxxxx
> * * * * * 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?

cat reads the text from standard input. echo doesn't.
If you want echo to output the same text, drop the %.


Hi,

Many thanks for you reply. That helps clear up a lot.

Thanks
Dan


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