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POSIXify #36

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687bf63
Simplify print_status in rofi-bluetooth
saolof Oct 8, 2023
cff3fdd
Update rofi-bluetooth
saolof Oct 9, 2023
b78855d
Remove last non-POSIX echo -e and make the script POSIX compatible
mcepl Apr 20, 2025
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53 changes: 25 additions & 28 deletions rofi-bluetooth
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#!/usr/bin/env bash
#!/bin/sh
# __ _ _ _ _ _ _
# _ __ ___ / _(_) | |__ | |_ _ ___| |_ ___ ___ | |_| |__
# | '__/ _ \| |_| |_____| '_ \| | | | |/ _ \ __/ _ \ / _ \| __| '_ \
Expand Down Expand Up @@ -179,32 +179,28 @@ toggle_trust() {
fi
}

# Backwards-compatible function to print paired devices.
paired_devices() {
if [ -n "$(bluetoothctl version | cut -d ' ' -f 2 | awk -F. '($1 > 5 || $1 == 5 && $2 > 64)')" ]; then
bluetoothctl devices Paired
else
bluetoothctl paired-devices
fi
}


# Prints a short string with the current bluetooth status
# Useful for status bars like polybar, etc.
print_status() {
if power_on; then
printf ''

paired_devices_cmd="devices Paired"
# Check if an outdated version of bluetoothctl is used to preserve backwards compatibility
if (( $(echo "$(bluetoothctl version | cut -d ' ' -f 2) < 5.65" | bc -l) )); then
paired_devices_cmd="paired-devices"
fi

mapfile -t paired_devices < <(bluetoothctl $paired_devices_cmd | grep Device | cut -d ' ' -f 2)
counter=0

for device in "${paired_devices[@]}"; do
sep=""
paired_devices | grep Device | cut -d ' ' -f 2 |
while IFS= read -r device; do
if device_connected "$device"; then
device_alias=$(bluetoothctl info "$device" | grep "Alias" | cut -d ' ' -f 2-)

if [ $counter -gt 0 ]; then
printf ", %s" "$device_alias"
else
printf " %s" "$device_alias"
fi

((counter++))
printf "$sep %s" "$device_alias"
sep=","
fi
done
printf "\n"
Expand All @@ -229,10 +225,10 @@ device_menu() {
fi
paired=$(device_paired "$mac")
trusted=$(device_trusted "$mac")
options="$connected\n$paired\n$trusted\n$divider\n$goback\nExit"

# Open rofi menu, read chosen option
chosen="$(echo -e "$options" | $rofi_command "$device_name")"
chosen="$(printf "%s\n%s\n%s\n%s\n%s\nExit\n" "$connected" "$paired" "$trusted" "$divider" "$goback" \
| $rofi_command "$device_name")"

# Match chosen option to command
case "$chosen" in
Expand Down Expand Up @@ -269,15 +265,16 @@ show_menu() {
pairable=$(pairable_on)
discoverable=$(discoverable_on)

# Options passed to rofi
options="$devices\n$divider\n$power\n$scan\n$pairable\n$discoverable\nExit"
# Open rofi menu, read chosen option
chosen="$(printf "%s\n%s\n%s\n%s\n%s\n%s\nExit\n" \
"$devices" "$divider" "$power" "$scan" "$pairable" "$discoverable" \
| $rofi_command "Bluetooth")"
else
power="Power: off"
options="$power\nExit"
# Open rofi menu, read chosen option
chosen="$(printf "%s\nExit\n" "$power" | $rofi_command "Bluetooth")"
fi

# Open rofi menu, read chosen option
chosen="$(echo -e "$options" | $rofi_command "Bluetooth")"

# Match chosen option to command
case "$chosen" in
Expand All @@ -299,7 +296,7 @@ show_menu() {
*)
device=$(bluetoothctl devices | grep "$chosen")
# Open a submenu if a device is selected
if [[ $device ]]; then device_menu "$device"; fi
if [ "$device" ]; then device_menu "$device"; fi
;;
esac
}
Expand Down