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Programme BASH pour détecter rapidement les signaux BT

Nécessite l’installation préablable du paquet expect.

<!DOCTYPE HTML PUBLIC “-W3CDTD HTML 4.0 TransitionalEN”> <html> <head> <meta http-equiv=“content-type” content=“text/html; charset=utf-8”/> <title></title> <meta name=“generator” content=“LibreOffice 6.4.7.2 (Linux)”/> <meta name=“created” content=“2021-12-08T14:19:03.557688605”/> <meta name=“changed” content=“2021-12-08T14:29:01.210205966”/> <style type=“text/css”> @page { size: 21cm 29.7cm; margin: 2cm } p { margin-bottom: 0.25cm; line-height: 115%; background: transparent } </style> </head> <body lang=“fr-FR” link=“#000080” vlink=“#800000” dir=“ltr”> #!/bin/bash # beacon-scan.sh # Displays beacons including duplicates in real time. # Uses expect to automate interaction with bluetoothctl. -> sudo apt-get install expect # Uses sed to remove bluetoothctl colorization escape characters. # Uses grep to filter out beacon manufacturer data logging. # Uses Perl to prefix each beacon with a timestamp. if [ "$(id -u)" != "0" ]; then echo "ERROR: must run as root" exit 1 fi (cat <<'END' | /usr/bin/expect set Prompt "#" set timeout -1 spawn bluetoothctl expect -re $Prompt send "scan off\r" expect -re $Prompt send "remove *\r" expect -re $Prompt send "set-scan-filter-clear\r" expect -re $Prompt send "set-scan-filter-transport le\r" expect -re $Prompt send "scan on\r" trap { expect -re $Prompt send "scan off\r" expect -re $Prompt send "remove *\r" expect -re $Prompt send "quit\r" } SIGINT expect eof END ) | sed –unbuffered –quiet –expression 's/^.*Device p' \

<font face="Tlwg Typist">| grep --line-buffered -v ManufacturerData

\

<font face="Tlwg Typist">| perl -nle 'print scalar(localtime), &quot;

", $_'

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