なンか鬱陶しいメッセージ出る。消えない😠
$ MODEL=`cat /proc/device-tree/model`
-bash: 警告: command substitution: ignored null byte in input
警告はbashバージョン4.4で導入された新機能のようです😮
$ MODEL=`cat /proc/device-tree/model | tr -d "\0"`
変数に入れる前にヌルバイトを削除することで解決😁
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-bash: 警告: command substitution: ignored null byte in input
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