stupid bash tricks (how to loop on the command line)

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jbest at insightbb.com wrote:
> ----- Original Message -----
> From: aragonx at dcsnow.com
> Date: Thursday, November 8, 2007 11:45
> Subject: stupid bash tricks (how to loop on the command line)
> To: fedora-list at redhat.com
>
>   
>> Okay, I saw a neat trick at work the other day.  A coworker 
>> somehow got
>> the shell to do looping without creating a file.  I believe 
>> he was using
>> csh to do so and I was wondering if I could do the same thing in 
>> bash. 
>> Basically I would like to be able to do a while loop to execute 
>> a df
>> command.
>>
>> Any ideas?
>>
>>
>>     
>
> almost any shell command sequence can be executed on the command line... consider the following..
> while true; do df; sleep 3; done;
>
> just a matter of separating the command elements with ;'s 
>   
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>
>   
Actually, if you just want to loop some command, you can use the command
watch as well.
Like so:

watch -n3 df

Saves writing/typing bash-scripts :)
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