then declare a variable named "val" with a string value of "Aqsa". Inside the "if" statement, set a condition to check if the string value of variable $val is not equal to "Aqsa". If this condition is met, the first echo statement...
4. 关于两个整数之间的判定,例如 test n1 -eq n2 -eq 两数值相等 (equal) -ne 两数值不等 (not equal) -gt n1 大于 n2 (greater than) -lt n1 小于 n2 (less than) -ge n1 大于等于 n2 (greater than or equal) -le n1 小于等于 n2 (less than or equal) 5. 判定字符串的数据 test -z ...
在 Python 中,我们可以使用反转和比较列表、使用 zip() 函数、将列表转换为字符串等方法检查两个列表...
How to Check Bash String Equality on Linux Checking if two Bash script strings are equal isn’t a big thing per se, and even if the Bash script strings are not equal, that’s not also a big thing. This article explains everything you need to know about Bash string equality, plus how...
```bash if [[ ]]; then fi Exp: if[[$USER='username']];thenecho"true"elseecho"false"fi not equal:!= numeric equality:-eq not equals:-ne is empty:-z if[[1-eq1]];if[[-z$USER]]; Elif if[[-z$USER]];thenecho"user is empty"elif[[1-eq1]];thenecho"1==1"elseecho"false...
arg1 op arg2 : op是-eqequal、-nenot-equal、-ltless-than、-leless-than-or-equal、 -gtgreater-than 、-gegreater-than-or-equal的其中之一。精品. *在bash中,当错误发生在致命信号时,bash会返回128+signal number做为返回值。如果找不到命令,将会返回127。如果命令找到了,但该命令是不可执行的,将...
For string comparison (equal or not equal), you can use regular comparison operators ('==', '!='), whether you are using square brackets or double round brackets. The '=' operator can also be used to check equality of strings.
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 ...
注意:不要忘记if语句使用==进行比较,而不是=,否则我认为如果您更正此错误,您的代码可能会工作。
1. The -eq (equal to)operator The -eq operator in bash is used to compare two numeric values and check if they are equal. For more understanding, here, I used a simple bash script which will compare two values and print whether they are the same or not: #!/bin/bash number1=5...