字符串可以是任何字符序列。...要测试两个字符串是否相同,两个字符串必须包含完全相同的字符且顺序相同,它可以是一个词或整个句子,例如,string one等于string one但不等于string two。...在本教程中,我们将向您展示如何在Linux 系统上比较Bash 脚本中的字符串,我们将在一个简单的 if/else Bash 脚本的上下文中...
bashif-statementscripting How do I compare two string variables in an 'if' statement in Bash? 本问题已经有最佳答案,请猛点这里访问。 我正在尝试在bash中使用if语句(使用ubuntu): 123456789 #!/bin/bash s1="hi" s2="hi" if ["$s1" =="$s2"] then echo match fi 我试过各种形式的if声明,使用...
Check if a String is Empty Comparing Strings with the Case Operator Lexicographic Comparison Conclusion Share: 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 sequ...
We can use = (equal to) operator in Bash script to compare two strings. We also use==operator to compare strings. ==Is a synonym for the = operator for string comparisons. For example, consider a Bash script First.sh with the following contents. #!/bin/BashS1="Hello World"S2="Hello...
Bash string comparison syntax 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. ...
https://stackoverflow.com/questions/4277665/how-do-i-compare-two-string-variables-in-an-if-statement-in-bash http://www.masteringunixshell.net/qa36/bash-how-to-add-to-array.html https://www.cyberciti.biz/faq/linux-unix-bash-for-loop-one-line-command/ ...
Bash string comparison It is advisable always to check and compare if two strings are equal in a Bash script; this is quite important for different reasons. If two strings are equal in a Bash script, it implies that both strings have the same length and character sequence. The “if” stat...
Create a bash file with the following script to show how to compare two string data. A string value is taken as input in the script that is compared with another string. If the value matches then a message, “You like Python” will be printed otherwise “You like PERL” will be ...
Comparison operators are used in bash to compare two strings to check if they are equal or not. Here, we will list some comparison operators including, string, and integer operators. Integer Operators Operators Explanation -eq is equal to -ne is not equal to -gt is greater than -ge is gr...
Comparison operators are used in bash to compare two strings to check if they are equal or not. Here, we will list some comparison operators including, string, and integer operators. Integer Operators Operators Explanation -eq is equal to -ne is not equal to -gt is greater than -ge is gr...