Re: [tlug] bash question

[bruno raoult <br@example.com>]

On Mon, 2003-02-17 at 21:06, Jean-Christian Imbeault wrote:
> I can't seem to find the proper bash syntax for this simple thing.
> 
> #!/bin/sh
> procs=`ps -aux | wc -l`
> if ($procs > 400) then
>    echo "You have more than 400 procs running"
> fi
> 
> If I run this I get:
> 
> # ./t.sh
> ./t.sh: 468: command not found
> 
> $procs is being interpreted as a command instead of an argument ... what 
> is the proper bash syntax to get a comparison done?
> 
> I've also tried:
> 
> if [ $proc -gt 400 ] then
>    echo "You have more than 400 procs running"
> fi
> 
> but that throws a:
> 
> ./t.sh: line 5: syntax error near unexpected token `fi'
> ./t.sh: line 5: `fi'
> 
> 
> Thanks,
> 
> Jc

Try "man test". In fact, test is symlinked to '[', meaning that the test
syntax can be used in shell as well with the '[', such as (in your
case):
if [ $proc -gt 400 ]
then
	echo etc...
fi

or:
if [ $proc -gt 400 ]; then
	echo etc...
fi

br.


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