dotfiles/.local/bin/btctl

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#!/bin/bash
# btctl - Script to connect or disconnect Bluetooth devices by partial name
function erro() {
echo "$1" 1>&2
}
# Function to get device address by partial name
function get_device_addr() {
local partial_name=$1
local devices_found
local device_count
if [ -z "$partial_name" ]; then
echo "Device name not provided." >&2
return 1
fi
# Search for devices containing the partial name, ignoring case
devices_found=$(bluetoothctl devices | grep -i "$partial_name")
# Count how many devices were found
device_count=$(wc -l <<<"$devices_found")
if [ "$device_count" -eq 0 ]; then
erro "Device containing '$partial_name' not found." >&2
return 1
elif [ "$device_count" -gt 1 ]; then
erro "Multiple devices containing '$partial_name' found. Please specify further."
erro "$devices_found"
return 1
fi
# Extract and echo the device address of the single matching device
awk '{print $2}' <<<"$devices_found"
}
function usage() {
echo "Usage: $(basename "$0") {connect|disconnect|list} <partial_device_name>"
}
function perform_action() {
local action=$1
local partial_name=$2
local device_addr
# Check if getting device address was successful
if ! device_addr=$(get_device_addr "$partial_name"); then
return 1
fi
if ! bluetoothctl "$action" "$device_addr"; then
echo "$action to device with address $device_addr failed." >&2
return 1
fi
}
case "$1" in
list)
bluetoothctl devices
;;
connect | disconnect)
perform_action "$1" "$2"
;;
*)
usage
exit 1
;;
esac