OT: need bash help

[Larry Brower]

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On 10/17/2011 02:39 PM, Mike Wright wrote:
> Hi all,
> 
> I'm trying to write a bash script and having problems.
> 
> If I execute this:
> 
>    ps x | grep mongod | wc -l
> 
> it returns a value.
> 
> OTOH, if I execute this:
> 
>    LINES = ps x | grep mongod | wc -l
> 
> it returns "command not found".
> 
> How does one assign the output of a command to an environment variable?
> 
> TIA,
> Mike Wright


I think you are looking for:


LINES=$(ps x | grep mongod | wc -l)

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