45 lines
861 B
Bash
45 lines
861 B
Bash
#!/bin/sh
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usbtoserial_print() {
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devices=$(find /dev/ -name "ttyUSB*")
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counter=0
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for device in $devices; do
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device_name=$(udevadm info --query=property --export --name "$device" | grep ID_MODEL_FROM_DATABASE | cut -d "'" -f 2 | cut -d ' ' -f 1)
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if [ $counter -gt 0 ]; then
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printf ", %s" "$device_name"
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else
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printf "#1 %s" "$device_name"
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fi
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counter=$((counter + 1))
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done
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printf '\n'
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}
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path_pid="/tmp/polybar-usbtoserial.pid"
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case "$1" in
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--update)
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pid=$(cat $path_pid)
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if [ "$pid" != "" ]; then
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kill -10 "$pid"
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fi
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;;
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*)
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echo $$ > $path_pid
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trap exit INT
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trap "echo" USR1
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while true; do
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usbtoserial_print
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sleep 30 &
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wait
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done
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;;
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esac
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