echo "Strings are not equal." fi if [ "${string1}" != "${string2}" ]; then echo "Strings are different." else echo "Strings are the same." fi 参考链接 Bash String Comparison Bash Conditional Expressions 通过以上信息,您应该能够理解 Bash 中字符串比较运算符的基础概念、优势、...
Example 1: Check if two strings are equal If you want to check if two strings are equal, here’s an example: #!/bin/bash string1="MyString" string2="MyString" if [ "$string1" == "$string2" ] then echo "Equal Strings" else echo "Strings not equal" fi 💡 Pay Attention to ...
#!/bin/bash # 示例1:使用 = 进行字符串相等比较 string1="hello" string2="hello" if [ "$string1" = "$string2" ]; then echo "The strings are equal." else echo "The strings are not equal." fi # 示例2:使用 != 进行字符串不相等比较 string1="hello" string2="world" if [ "$stri...
public static boolean equalsIgnoreCase(String str1, String str2) Compares two Strings, returning true if they are equal ignoring the case. nulls are handled without exceptions. Two null references are considered equal. Comparison is case insensitive. StringUtils.equalsIgnoreCase(null, null) = true Str...
The!=inequality operator allows users to test if two strings are not equal. Follow the steps below to test the operator. 1. Create ascriptwith the following code: #!/bin/bash str1="data" str2="server" if [ "$str1" != "$str2" ]; then ...
Checking if two Bash script strings are equal isn’t a big thing per se, and even if the Bash script strings are not equal, that’s not also a big thing. This article explains everything you need to know about Bash string equality, plus how you can access and use Linux files on Win...
2. String Comparisons: ==: Equal to !=: Not equal to -z: Empty string -n: Non-empty string 3. File and Directory Checks: -e: Exists -f: Regular file -d: Directory -r: Readable -w: Writable -x: Executable Example of using If Statement: ...
使用=进行字符串比较。请参见：http://tldp.org/LDP/abs/html/comparison-ops.html此外，方括号和比较...
How to do string comparison and check if a string equals to a value? How to check if a string is in an array? How to use the Bash ternary operator? How to negate an if condition in a Bash if statement? (if not command or if not equal) How to use the BASH_REMATCH variable with...
a=5b=5# Incorrect syntaxif[$a=$b];thenecho'a is equal to b'fi# Output:# a is equal to b Bash Copy In this example, the script works, but it’s not correct. The ‘=’ operator is for string comparison, not numerical comparison. For numerical comparison, you should use ‘-eq’...