1. 编写一个脚本,运行该脚本时,屏幕上自动显示: how are you ,***。(***为自己姓名拼音的缩写) linux
时间: 2023-12-18 10:29:23 浏览: 23
可以使用echo命令和变量来实现该脚本。在终端中输入以下命令:
```
echo "how are you, ***"
```
将***替换为你的姓名拼音的缩写即可。例如,如果你的姓名是张三,那么命令应该是:
```
echo "how are you, zs"
```
运行该脚本时,屏幕上将显示“how are you, zs”。
相关问题
编写一段脚本,查找出以下字符串中第一个双竖线出现的位置。使用PHP来写
<?php
$string = "hello || world || how || are || you";
$pos = strpos($string, "||");
echo $pos;
?>
输出为:6
这是因为 strpos 函数返回字符串中第一个匹配的位置,从 0 开始计数。在这个例子中,第一个双竖线出现在第七个位置,但由于从 0 开始计数,所以输出结果为 6。
帮我写一个局域网目标探测脚本
很抱歉,作为一种人工智能语言模型,我并不能直接为您编写代码,但我可以提供指导。
如果您想编写一个局域网目标探测脚本,可以使用 Python 语言。您可以使用 sockets 库来实现扫描局域网中的主机,并通过 ICMP 协议测试主机是否在线。
您可以参考以下代码:
```
import socket
import subprocess
import sys
from datetime import datetime
# Clear the screen
subprocess.call('clear', shell=True)
# Ask for input
remoteServer = input("Enter a remote host to scan: ")
remoteServerIP = socket.gethostbyname(remoteServer)
# Print a nice banner with information on which host we are about to scan
print("-" * 60)
print("Please wait, scanning remote host", remoteServerIP)
print("-" * 60)
# Check what time the scan started
t1 = datetime.now()
# Using the range function to specify ports (here it will scans all ports between 1 and 1024)
# We also put in some error handling for catching errors
try:
for port in range(1,1025):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result = sock.connect_ex((remoteServerIP, port))
if result == 0:
print("Port {}: Open".format(port))
sock.close()
except KeyboardInterrupt:
print("You pressed Ctrl+C")
sys.exit()
except socket.gaierror:
print("Hostname could not be resolved. Exiting")
sys.exit()
except socket.error:
print("Couldn't connect to server")
sys.exit()
# Checking the time again
t2 = datetime.now()
# Calculates the difference of time, to see how long it took to run the script
total = t2 - t1
# Printing the information to screen
print("Scanning Completed in: ", total)
```
这份代码实现了局域网目标探测的基本功能,您可以根据自己的需求对代码进行修改。