[英]Why I got “sh: 1: Syntax error: Unterminated quoted string” when I run my Python program?
[英]shows error " sh: 1: Syntax error: Unterminated quoted string " in python
#!/usr/bin/env python3
from os import system
def playSong():
message = "it's time to drink water and, take a rest for some minutes."
#filepath = "/home/leader/Downloads/anywhere.mp3"
system("espeak '" + message + "'")
playSong()
在终端中运行此程序时,它显示此错误。 我怎样才能摆脱这个?
试试这个,用 \\ 转义单引号
message = "it\\'s time to drink water and, take a rest for some minutes."
system('espeak "%s"' %message)
永远不要使用system()
—— 在任何语言中,不仅仅是 Python —— 没有明确编写和审核为有效、安全的 shell 脚本的字符串,并且不能将不受控制的内容替换到其中。
当您需要传递参数时,请改用subprocess
模块:
#!/usr/bin/env python3
import subprocess
def playSong():
message = "it's time to drink water and, take a rest for some minutes."
#filepath = "/home/leader/Downloads/anywhere.mp3"
p = subprocess.Popen(['espeak', message])
p.wait()
playSong()
否则,当有人试图播放消息时,您将度过非常糟糕的一天Do not ever run $(rm -rf ~)
(或其更故意的恶意变体$(rm -rf ~)'$(rm -rf ~)'
)。
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