how ./example.sh differs from . /example.sh and ./ example.sh Post: 302154077

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l2ping

L2PING(8)                                                   Linux System Administration                                                  L2PING(8)

NAME

       l2ping - Send L2CAP echo request and receive answer

SYNOPSIS

       l2ping [-i <hciX>] [-s size] [-c count] [-t timeout] [-d delay] [-f] [-r] [-v] bd_addr

DESCRIPTION

       L2ping sends a L2CAP echo request to the Bluetooth MAC address bd_addr given in dotted hex notation.

OPTIONS

       -i <hciX>
              The  command  is  applied to device hciX , which must be the name of an installed Bluetooth device (X = 0, 1, 2, ...)  If not speci-
              fied, the command will be sent to the first available Bluetooth device.

       -s size
              The size of the data packets to be sent.

       -c count
              Send count number of packets then exit.

       -t timeout
              Wait timeout seconds for the response.

       -d delay
              Wait delay seconds between pings.

       -f     Kind of flood ping. Use with care! It reduces the delay time between packets to 0.

       -r     Reverse ping (gnip?). Send echo response instead of echo request.

       -v     Verify response payload is identical to request payload. It is not required for remote stacks to return  the  request  payload,  but
              most stacks do (including Bluez).

       bd_addr
              The Bluetooth MAC address to be pinged in dotted hex notation like 01:02:03:ab:cd:ef or 01:EF:cd:aB:02:03

AUTHORS

       Written by Maxim Krasnyansky <maxk@qualcomm.com> and Marcel Holtmann <marcel@holtmann.org>

       man page by Nils Faerber <nils@kernelconcepts.de>, Adam Laurie <adam@algroup.co.uk>.

BlueZ                                                               Jan 22 2002                                                          L2PING(8)