Directory of script DIR="${0%/*}" Getting options while[["$1"=~ ^-&&!"$1"=="--"]];docase$1in-V|--version)echo$versionexit;;-s|--string)shift;string=$1;;-f|--flag)flag=1;;esac;shift;doneif[["$1"=='--']];thenshift;fi ...
Checking if two Bash script strings are equal isn’t a big thing per se, and even if the Bash script strings are not equal, that’s not also a big thing. This article explains everything you need to know about Bash string equality, plus how you can access and use Linux files on Win...
Let me share a simple example of comparing two numberspassed as arguments to the shell script: #!/bin/bash ## Check if the numbers are equal or not read -p "Enter the first number: " num1 read -p "Enter the second number: " num2 if test "$num1" -eq "$num2" then echo "$n...
NOTE:Every bash shell script in this tutorial starts withshebang:"#!"which is not read as a comment. First line is also a place where you put your interpreter which is in this case: /bin/bash. Here is our first bash shell script example: #!/bin/bash # declare STRING variable STRING...
-ne: Not equal -lt: Less than -le: Less than or equal to -gt: Greater than -ge: Greater than or equal to In following bash script example, we are comparing two numbers using if condition statement. #!/bin/bash echo "Enter the Number: " ...
= STRING2 the strings are not equal INTEGER1 -eq INTEGER2 INTEGER1 is equal to INTEGER2 有用2 回复 TechliveZheng 2.1k11315 发布于 2012-12-18 尽量使用 extended test 吧,即 [[ ]],里面可以使用比较习惯的 == 代替=,并且不用担心 word spliting 和 filename expansion. 有用 回复 ...
string1 = string2 : string1与string2相等时,返回True。string1 != string2 : string1与string2不相等时,返回True。! express : express为False时,返回True。expr1 -a expr2 : expr1及expr2为True。 expr1 -o expr2 : expr1或expr2其中之一为True。 arg1 OP arg2 : OP是-eq[equal]、-ne[not-eq...
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 the Regular Expression Operator =~?
Example #2: String Comparison inwhileLoop inbash 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. ...
if [ "$string1" != "Not MyString" ] then echo "Not Equal Strings" else echo "Strings equal" fi 📚 New to Bash scripting? Learn with ourfree Bash course👇 Bash Scripting Tutorial Series for Beginners [Free] Get started with Bash Shell script learning with practical examples. Also tes...