ngasLogProcessor.py 文件源码

def _executeSysCmd(cmd):
    """
    Helper function to execute a system command

    Input:
       cmd:  string, the command to be executed

    Output:
       plain string output of the result of the command as
       received from STDOUT.
    """
    try:
        status,output = commands.getstatusoutput(cmd)
    except Exception,e:
        raise e
    if status == 256:
        return ''
    return output