我不知道發生了什么，但是當我在控制臺或文本文件上打印時，換行符（\ n）無法正常運行，而是顯示在字符串中。知道如何在控制臺和文本文件中避免這種情況嗎？我的代碼：import subprocesshosts_file = open("hosts.txt","r")lines = hosts_file.readlines()for line in lines: line = line.strip() ping = subprocess.Popen(["ping", "-n", "3",line],stdout = subprocess.PIPE,stderr = subprocess.PIPE) out, error = ping.communicate() out = out.strip() error = error.strip() output = open("PingResults.txt",'a') output.write(str(out)) output.write(str(error)) print(out) print(error)hosts_file.close()輸出：b'Pinging 192.168.0.1 with 32 bytes of data:\r\nRequest timed out.\r\nRequest timed out.\r\nRequest timed out.\r\n\r\nPing statistics for 192.168.0.1:\r\n Packets: Sent = 3, Received = 0, Lost = 3 (100% loss),'b''b'Pinging 192.168.0.2 with 32 bytes of data:\r\nRequest timed out.\r\nRequest timed out.\r\nRequest timed out.\r\n\r\nPing statistics for 192.168.0.2:\r\n Packets: Sent = 3, Received = 0, Lost = 3 (100% loss),'b''b'Pinging 192.168.0.3 with 32 bytes of data:\r\nRequest timed out.\r\nRequest timed out.\r\nRequest timed out.\r\n\r\nPing statistics for 192.168.0.3:\r\n Packets: Sent = 3, Received = 0, Lost = 3 (100% loss),'b''b'Pinging 192.168.0.4 with 32 bytes of data:\r\nRequest timed out.\r\nRequest timed out.\r\nRequest timed out.\r\n\r\nPing statistics for 192.168.0.4:\r\n Packets: Sent = 3, Received = 0, Lost = 3 (100% loss),'b''b'Pinging 192.168.0.5 with 32 bytes of data:\r\nRequest timed out.\r\nRequest timed out.\r\nReply from 3.112.3.214: Destination host unreachable.\r\n\r\nPing statistics for 192.168.0.5:\r\n Packets: Sent = 3, Received = 1, Lost = 2 (66%loss),'b''主機文件：192.168.0.1192.168.0.2192.168.0.3192.168.0.4192.168.0.5
2 回答
一只甜甜圈
TA貢獻1836條經驗 獲得超5個贊
問題是您要打印出Python 3bytes對象，該Python無法自動轉換為str對象，因為無法確定字符編碼是什么。
您必須使用bytes對象的decode()方法將其轉換為字符串，告訴Python編碼是什么...
import subprocess
hosts_file = open("hosts.txt","r")
lines = hosts_file.readlines()
for line in lines:
line = line.strip()
ping = subprocess.Popen(["ping", "-n", "3",line],stdout = subprocess.PIPE,stderr = subprocess.PIPE)
out, error = ping.communicate()
out = out.strip()
error = error.strip()
output = open("PingResults.txt",'a')
output.write(str(out))
output.write(str(error))
print(out.decode('utf-8'))
print(error.decode('utf-8'))
hosts_file.close()
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