bash #!/bin/bash # 定义两个字符串变量 str1="Hello" str2="Hello" # 使用[ ]和=运算符判断字符串是否相等 if [ "$str1" = "$str2" ]; then echo "Strings are equal using [ ] and =." else echo "Strings are not equal." fi # 使用[[ ]]和==运算符判断字符串是否相等 if [[ $st...
echo "These strings don't match" fi So, in the end, if you want to test for string equality, you can use either[ ... ]or[[ ... ]], but you must quote your parameters. If you want to do glob pattern matching, you must leave off the quotes, and use[[ ... ]]. 因此,最后...
Here is how you compare strings in Bash. if [ "$string1" == "$string2" ] You can also use a string directly instead of using a variable. if [ "$string1" == "This is my string" ] Let me show it to you with proper examples. ...
When writing Bash scripts you will often need to compare two strings to check if they are equal or not. Two strings are equal when they have the same length and contain the same sequence of characters. This tutorial describes how to compare strings in Bash....
2.compareTocompareTo按照字典顺序检查两字符串,如果完全相等就返回0,详细用法查看API,这里不做表述。用法如下:if (s.compareTo(t) == 0) { java 开发语言 后端 字符串 System 转载 柳随风 2023-05-24 14:15:00 260阅读 字符串比较 独立实现标准字符串库的strcmp函数...
/bin/bashread-p"Enter first string: "VAR1read-p"Enter second string: "VAR2if[["$VAR1"=="$VAR2"]];thenecho"Strings are equal."elseecho"Strings are not equal."fi 您还可以使用逻辑和&&和或||比较字符串: [["string1"=="string2"]]&&echo"Equal"||echo"Not equal"...
String='My name is Delft.'if[[$String=~ .*Delft.*]];thenecho"The given string has Delft on it."fi 输出: The given string has Delft on it. 这里,.*Delft.*是要匹配的regex表达式,它表示匹配Delft.之前和之后的任何字符串,0 个或更多字符。它检查字符串中是否有子字符串Delft。
if [[ $string1 == "Hello World!" ]] then printf "Same! \n" else print "Different! \n" fi if [[ $string2 = *"Bash"* ]] then printf "Contains word 'Bash'. \n" else printf "Does not contain the word. \n" fi 如何把for语句放在一行里执行?
Use the=or==operators when checking if strings are equal. Follow the steps below tocreate a Bash scriptand compare two strings: Check Predefined Strings 1. Open the terminal (Ctrl+Alt+T) and create a new Bash script. We will use the vi/vim text editor: ...
# 经过前两次排序比较之后,结果最后一个字符串最大,只需要比较前面两个,类似于冒泡if[ $str1 -gt $str2 ] then echo str1 gt str2 tmp=$str2 str2=$str1 str1=$tmp fi echo the strings after compare,the results are below echo $str1 $str2 $str3 ...