if statement

[Ray Parrish]

PleegWat wrote:
> Ray Parrish wrote:
>   
>>     if  [ $interval == "" ]
>>
>>         then
>>             interval=300; # five minutes default setting
>>             echo "interval blank";
>>     fi
>>     
>
>
> If you run a test on a variable that may be empty, quote it. Often you 
> see a character appended to the variable and the variable being tested 
> against that, but I've never found that to be necessary
>
> if [ "$interval" == "" ]
> then
> 	interval=300; # five minutes default setting
> 	echo "interval blank"
>
> elif [ $interval -lt 200 ]
> then
> 	interval=200; # 3 min 20 minimum setting
> 	echo "interval increased to minimum 200 seconds"
> fi
>
> should work
>
> PleegWat
>   
Your method makes sense to me, and I have adopted your code as the 
current form for my project's usage.

Thank you for the help, Ray Parrish

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