関連ワード:  bash check the return code of a command    bash check the exit code of a command    bash get the return code of a command    bash get the exit code of a command    bash get the return value of a command    bash check return value of a command    bash check return code of last command    bash check return code of previous command    bash check return code of multiple commands    bash test return code of command  
結果 : bash check the return code of a command