But if you must use the shell and you can't limit the data that comes in, you need to escape every potential meta-character before sending it in a command to the shell.

但是如果您必须使用shell并且不能限制到达的数据，那么就需要在将命令中的字符发送到shell中之前对可能存在的每个元字符进行转义。

youdao

But if you must use the shell and you can't limit the data that comes in, you need to escape every potential meta-character before sending it in a command to the shell.

但是如果您必须使用shell并且不能限制到达的数据，那么就需要在将命令中的字符发送到shell中之前对可能存在的每个元字符进行转义。

youdao