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In my script I use the cat and echo commands like this:

cat $DEVICE > $LOG &
echo -e "sth" > $DEVICE


And I want to use exec instead, but I have no idea how can I capture the device to the...

Thank you both for reply! Unfortunately, I am not quite sure how to use the exec command. It seems like that the tother method (<>) is quite useful, but I have no idea how can I write to the log...

Hi all,


I have been working on an unique script of my own, which should be able to communicate with a classic 56kbit modem. I am quite a newbie to the scripting, but I suppose I am slowly making...