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checks for all necessary programs at startup now

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This commit is contained in:
Alexander Bocken 2020-04-21 21:17:02 +02:00
parent f69ddc7bca
commit cb3d6da5f1
1 changed files with 10 additions and 1 deletions
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11
bthandler
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@ -4,6 +4,15 @@ SCAN_PERIOD=5
BLACKLIST=$HOME/.local/bin/tools/bt_blacklist BLACKLIST=$HOME/.local/bin/tools/bt_blacklist
actions="turn off\nturn on\npair" actions="turn off\nturn on\npair"
#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
for prog in dmenu bluetoothctl awk cat; do
if ! hash "$prog" 2>/dev/null; then
printf 'bthandler: %s: command not found\n' "$prog" >&2
exit 127
fi
done
bluetoothctl paired-devices | awk '{print $2}' > /tmp/bt_IDS bluetoothctl paired-devices | awk '{print $2}' > /tmp/bt_IDS
bluetoothctl paired-devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' > /tmp/paired_devices bluetoothctl paired-devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' > /tmp/paired_devices
grep -vf "$BLACKLIST" /tmp/paired_devices > /tmp/disp_devices grep -vf "$BLACKLIST" /tmp/paired_devices > /tmp/disp_devices
@ -19,7 +28,7 @@ cleanup(){
rm -f /tmp/paired_devices rm -f /tmp/paired_devices
rm -f /tmp/new_devices rm -f /tmp/new_devices
rm -f /tmp/disp_devices rm -f /tmp/disp_devices
bluetoothctl scan off 2> /dev/null bluetoothctl scan off > /dev/null
exit exit
} }