os.popen(cmd) .read() 获取执行后的结果且带有换行符\n

os.popen(cmd) .read()  获取执行后的结果自动带有换行符\n

>>> a=os.popen("ls ./soapnuke_output/CL100006359_L01_8 |wc -l")
>>> a

>>> a.read

>>> a.read()
'17\n'
>>> b=os.popen("echo bb")
>>> b

>>> b.read()
'bb\n'