if [ "$yn" == "y" ] || [ "$yn" == "Y" ]; then echo "you type $yn, which means yes" && exit 0 elif [ "$yn" == "n" ] || [ "$yn" == "N" ]; then echo "you type $yn, which means no" && exit 0 else echo "you type $yn, which is invalid" && exit 0 f...
[root@fi3 client]# curl -h Usage: curl [options...] <url> Options: (H) means HTTP/HTTPS only, (F) means FTP only -a/--append 上传文件时,附加到目标文件 -A/--user-agent <string> 设置用户代理发送给服务器 - anyauth 可以使用“任何”身份验证方法 -b/--cookie <name=string/file> ...
Use `info bash' to find out more about the shell in general. Use `man -k' or `info' to find out more about commands not in this list. A star (*) next to a name means that the command is disabled. job_spec [&] history [-c] [-d offset] [n] or hist> (( expression )) ...
Finallymindicates the end of control sequence so terminal would know not to interpret text aftermas a color code. The following command should print “hello” in red underscore text: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >echo"\x1b[31;4mHello\x1b[0m" \x1b[0mmeans “reset ...
(非build-in command)情况下可以查到 linux_man_wildcard/whatis/正则匹配/匹配以keyword开头的条目 使用apropos检索man手册,是利用手册的好方法,但有时候,apropos默认返回的结果太多,不利于定位 whatis &apropos &man 三者对比: AI检测代码解析 ...
if [[ $free_fields -eq 0 ]]; then # well that means you extracted all the mines. printf '\n\n\t%s: %s %d\n\n' "You Win" "you scored" "$score" exit 0 fi 创建游戏结束的逻辑 对于游戏结束情况,我们使用一些优美的逻辑将其打印到终端的中间,我将其留给读者来研究其工作原理。 代码语言...
The opposite of "it's like riding a bike" is "it's like programming in bash". A phrase which means that no matter how many times you do something, you will have to re-learn it every single time. — Jake Wharton (@JakeWharton) ...
/bin/bash on the first line, which means that the script should always be run in bash and not in other shells. Other shells to use as alternatives to bin/bash shell There are many alternatives to Linux bin/bash, despite the fact that it is a very popular shell. Some of them are ...
If you're running a system without prepackaged binary available, which means you're going to install node or io.js from its source code, you need to make sure your system has a C++ compiler. For OS X, Xcode will work, for Debian/Ubuntu based GNU/Linux, the build-essential and libssl...
The opposite of "it's like riding a bike" is "it's like programming in bash". A phrase which means that no matter how many times you do something, you will have to re-learn it every single time. — Jake Wharton (@JakeWharton) ...