newboid at vodafone.ie wrote:
> Hi,
>> I am quite new to linux and I was wondering if there is a way to get a string
> from a serial port from the shell?
>> I have tried using:
>> cat < /dev/ttyS0
>> and I can see the string from the serial port, but I don't seen to see a
> way of terminating the cat command to get at the data.
>> I looked at C and it seems a bit complex for what I want to do.
If you know exactly how much data there will be you could do:
dd if=/dev/ttyS0 bs=1 count=$number_of_bytes
If it's line oriented data then I suppose you could do:
while read /dev/ttyS0
echo received: $REPLY
done
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