subprocess.stderr
代表子进程的 stderr
的 Readable Stream
。
如果子进程衍生时 stdio[2]
设置为 'pipe'
以外的任何值,则此将是 null
。
subprocess.stderr
是 subprocess.stdio[2]
的别名。
这两个属性将引用相同的值。
如果子进程无法成功衍生,则 subprocess.stderr
属性可以是 null
或 undefined
。
A Readable Stream
that represents the child process's stderr
.
If the child was spawned with stdio[2]
set to anything other than 'pipe'
,
then this will be null
.
subprocess.stderr
is an alias for subprocess.stdio[2]
. Both properties will
refer to the same value.
The subprocess.stderr
property can be null
or undefined
if the child process could not be successfully spawned.