echo "Both Values are equal" else echo "Values are NOT equal" fi 1. 2. 3. 4. 5. 6. 7. 8. 9. #!/bin/bash # declare integers NUM1=2 NUM2=1 if [ $NUM1 -eq $NUM2 ]; then echo "Both Values are equal" else echo "Value
= STRIN2 # Trueifstrings arenotequal#算术测试操作var1 -eq var2 # Trueifvar1 is equal to var2var1 -ne var2 # Trueifvar1notequal to var2var1 -lt var2 # Trueifvar1 is less than var2var1 -le var2 # Trueifvar1 is less thanorequal ...
All values N are determined via HISTORY_BASE. */i = *caller_index;if(string[i] != history_expansion_char)return((char*)NULL);/* Move on to the specification. */i++; sign =1; substring_okay =0;#defineRETURN_ENTRY(e, w) \ return ((e = history_get (w)) ? e->line: (char ...
[abc@localhost ~]$ cat #!/bin/bash # 通过用户输入两个数值,分别赋值给num1、num2,然后来比较大小 read num1 num2 if [ $num1 -eq $num2 ]; then echo "Both values are equal!" elif [ $num1 -gt $num2 ]; then echo "num1 values is greater then num2" else echo "num1 values is...
You are the owner of the file. f1 -nt f2 file f1 is newer than f2. f1 -ot f2 file f1 is older than f2 Comparison Operators 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...
operators return 为真 如果 "ARG1" is equal to, not equal to, less than, less than or equal to, greater than, or greater than or equal to "ARG2", respectively. "ARG1" 而且 "ARG2 are integers. 表达式可以借以下操作组合起来, listed in decreasing order of precedence: 操作符效果 [ !
Bash 简介 转自 https://wangdoc.com/bash/intro.html Bash 是 Unix 系统和 Linux 系统的一种 Shell(命令行环境),是目前绝大多数 Linux 发行版的默认 Shell。 目录 [隐藏] 简介 基本语法 模式扩展 引号和转义 变量 字符串操
values, or they ask a question about one value. Conditional expressions are always between double brackets ([[ ]]), and they either uselogical flagsorlogical operators. For example, there are several logical flags you could use for comparing two integers. If we wanted to see if one integer...
-z string True if the length of string is zero. -n string True if the length of string is non-zero. string1 == string2string1 = string2 True if the strings are equal. It will perform pattern matching when used with the [[ command. The = notation should be used with the test com...
echo "The first number is not greater than or equal to the second." fi Steps: Define two numbers:The script initializes two variables,num1andnum2, with values20and15, respectively. Compare the numbers:Theifstatement uses the-geoperator to check if the value ofnum1is greater than or equal...