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Top Forums Shell Programming and Scripting Pass Arguments to Command from Shell Script Post 302951723 by nithin@embdes on Monday 10th of August 2015 04:28:57 AM
Old 08-10-2015
Ubuntu Pass Arguments to Command from Shell Script

Hi all,

I am working on a project, in which I have to connect to Bluetooth low energy device. I am able to connect and do data transfer from command line. But I want to do from script
Here is my script
Code:
#!/bin/bash
#sudo hcitool -i hci0 lescan
sleep 1
sudo hcitool -i hci0 lecc --random EA:74:48:D5:52:6B
sleep 1
sudo gatttool -i hci0 -b EA:74:48:D5:52:6B --interactive
sleep 1
echo connnect //this command should be passed as arg to gatttool command
sleep 1 
char-write-cmd 0x0013 FF14
done

Here is screen shot when I run gatttool from command line
Image

Here is the screen shoot when I run from script
Image

In the above figure I have to pass command "connect" where there is red arrow from the script. I tried echo. But its not working

So please help me how to pass command
Smilie

Last edited by Franklin52; 08-10-2015 at 06:40 AM.. Reason: replaced icode tags with code tags
 

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BlueZ(1)							   User Commands							  BlueZ(1)

NAME
pand - BlueZ Bluetooth PAN daemon DESCRIPTION
The pand PAN daemon allows your computer to connect to ethernet networks using Bluetooth. SYNPOSIS
pand <options> OPTIONS
--show --list -l Show active PAN connections --listen -s Listen for PAN connections --connect -c <bdaddr> Create PAN connection --search -Q[duration] Search and connect --kill -k <bdaddr> Kill PAN connection --killall -K Kill all PAN connections --role -r <role> Local PAN role (PANU, NAP, GN) --service -d <role> Remote PAN service (PANU, NAP, GN) --ethernet -e <name> Network interface name --device -i <bdaddr> Source bdaddr --nosdp -D Disable SDP --encrypt -E Enable encryption --secure -S Secure connection --master -M Become the master of a piconet --nodetach -n Do not become a daemon --persist -p[interval] Persist mode --cache -C[valid] Cache addresses --pidfile -P <pidfile> Create PID file --devup -u <script> Script to run when interface comes up --devdown -o <script> Script to run when interface comes down --autozap -z Disconnect automatically on exit SCRIPTS
The devup/devdown script will be called with bluetooth device as first argument and bluetooth destination address as second argument. PAN daemon February 2003 BlueZ(1)
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