else echo "Strings are not equal." fi 2. 使用 tr 命令去除所有空白字符 代码语言:txt 复制 string1=$(echo "your_string" | tr -d '[:space:]') string2=$(echo "your_string" | tr -d '[:space:]') if [ "$string1" == "$string2" ]; then echo "Strings are equal." else echo...
解决方法:使用=进行严格相等性比较,或者对字符串进行引用,例如"${string1}" == "${string2}"。 示例代码 代码语言:txt 复制 #!/bin/bash string1="hello" string2="world" if [ "${string1}" = "${string2}" ]; then echo "Strings are equal." else echo "Strings are not equal." fi if ...
String1 and String2 are equal. String1 and String3 are not equal. 这里,如果我们先用 = 运算符比较 String1 和 String2。由于 String1 和 String2 都具有相同的长度,具有相同的字符序列,比较运算符返回 true,因此我们得到 String1 and String2 are equal.. 作为程序中第一个 if-else 块的输出。 同样...
true if the Strings are equal, case sensitive, or both null org.apache.commons.lang.StringUtils equalsIgnoreCase方法 写道 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. ...
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...
The two strings are not equal. 1. 2. 例2 我们还可以使用运算符来测试两个字符串是否不相等!=。 #!/bin/bash string1="apples" string2="oranges" if [ "$string1" != "$string2" ]; then echo "Strings are different." else echo "Strings are not different." ...
#!/bin/bash foo="hello" bar="h" if [[ "$foo"=="$bar" ]]; then echo "they are equal" else echo "they are not equal" fi 发布于 1 年前 ✅ 最佳回答: 条件的工作基于其中的元素数量,这个特定的问题在man-page的这一部分(意译)中有所涉及: string:如果字符串的长度为non-zero,则为Tr...
/bin/bash# Linux迷 www.linuxmi.comString1="Good Morning!"String2="Good Morning!"String3="good morning!"if["$String1"="$String2"];thenecho"字符串1:${String1}和字符串2:${String2}相等."elseecho"字符串1:${String1}和字符串2:${String2}不相等."fiif[["$String2"=="$String3"]];...
```bash if [[ ]]; then fi 1. 2. 3. 4. 5. 6. Exp: if [[ $USER = 'username' ]]; then echo "true" else echo "false" fi 1. 2. 3. 4. 5. not equal:!= numeric equality:-eq not equals:-ne is empty:-z if [[ 1 -eq 1 ]]; ...
-z string True if the length of string is zero. -v可用于检查某个变量是否有过赋值,-z判断字符串长度是否为0。变量赋值过与否,与长度是否为0是两码事,读者可以自行验证哈。条件表达式提供了其他非常多的选项,读者可以在Bash手册中搜素关键字CONDITIONAL EXPRESSIONS进行查阅。注意,在上面的例子中[[的后边,以及...