Re: How to check the number of terminals open from inside a shell script

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Whoops - apologies.  Friday afternoon :-)


On 29/10/2010 16:26, "Joachim Backess" <joachim.backes@xxxxxxxxxxxxxx>
wrote:

> On 10/29/2010 03:39 PM, Mark Liggett wrote:
>>  Hi Sumatheja,
>> 
>> I¹m guessing you want a script to run only once (did say whether it was
>> per user).  You could add your script to the .bashrc file ­ this way the
>> script would run once when the user logs on.  Alternatively run the
>> script and export an environment variable ­ then check it using an if
>> statement before you run the script again, eg;
>> 
>> if [ -n ³$script-has-run-envar² ]; then
>>     <source_script>
>>     script-has-run-envar=²Yes²
>>     export $script-has-run-envar
> 
> I think you mean -without the $ char-  ;-)
> 
>       export script-has-run-envar
> 
> Regards
> 

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