[mythtv-users] External Channel Change Question? - WAS Re: CentOS and MythTV

[Brian Wood]

On Feb 12, 2006, at 7:23 PM, Kenneth Hadley wrote:

> Brian Wood wrote:
>> On Feb 12, 2006, at 7:02 PM, Kenneth Hadley wrote:
>>
>>
>>> Appears I spoke too soon about have no further problems.
>>>
>>> I use a MyBlaster to control my external Samsung DirecTV receiver  
>>> and
>>> with my previous box this worked fine using the MyBlaster.pl script.
>>>
>>> This time...not working so well.
>>>
>>> I have the script located in /usr/local/bin/ and typed into the  
>>> input
>>> field of "mythtvsetup=>input connections=>/dev/video0/=>External
>>> channel
>>> change command" the script path/filename (/usr/local/bin/ 
>>> MyBlaster.pl)
>>> but when I record programs the channel never changes and when  
>>> watching
>>> the MyBlaster transmitter when the recording starts and it should be
>>> blinking, it does not.
>>>
>>> Manually typing at the CLI
>>> [mythtv at pvr01 ~]$ /usr/local/bin/MyBlaster.pl 298
>>> Does change the channel.
>>>
>>> Anyone have any thoughts?
>>>
>>> Thanks!
>>>
>>
>> Probably the most common problem with scripts is that they have be
>> both readable and executable in order to work. Just a simple thing to
>> check.
>>
> chmod +0777 /usr/local/bin/MyBlaster.pl
> chmod +x /usr/local/bin/MyBlaster.pl
>
> Where the permission changes I made previously to get where I am  
> (stuck)
> now.

So it works manually, but not through the frontend.

I'm out of ideas, except to double-check that the spelling etc. is  
correct in the "change command" window. Most common errors would be  
to omit the leading "/" or a case problem. I know I speak the obvious  
but sometimes that's the problem.