Bash OR Operator in IF condition In the following example, we shall use Bash OR logical operator, to form a compound boolean expression forBash IF. We shall check if the number is even or if it also divisible by 5. Bash Script File </> Copy #!/bin/bash num=50 if [ $((num % 2...
Operador OR lógico en Bash Script Yahya Irmak30 enero 2023 BashBash Operator Explicaremos el operador lógicoOR(||) y cómo funciona a lo largo de este artículo. También daremos ejemplos de cómo se puede usar en Bash scripting.
/bin/bash#The first Shell script echo "Hello World!" 复制代码 2)为HelloWorld.sh文件添加执行权限; [root@localhost ~]# chmod +x HelloWorld.sh 复制代码 3)运行HelloWorld.sh脚本,查看运行结果逻辑操作符分以下3种: -a:逻辑与,只有当操作符两边的条件均为真时,结果为真,否则为假。 -o:逻辑或,操作符...
Various Ways to Increment or Decrement Counters in Bash Incrementing/decrementing is mostly used in a loop where the user has instructed the script/program to increase/decrease value based on the given condition. And bash allows you to use various ways to increment or decrement the value. So i...
The-leoperator in Bash is used to check if the first number is “less than or equal to” the second number. It compares two numbers and returns true if the first number is less than or equal to the second. This operator is part of thecomparison operatorsprovided by Bash for performing ...
https://bash.cyberciti.biz/guide/Logical_OR Logical OR ← Logical ANDHomeLogical Not ! → Logical OR (||) isboolean operator. It can execute commands orshell functionsbased on theexit statusof another command. Contents 1 Find username else display an error ...
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Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (afileor input from a pipeline). Whileinsome ways similar to an cv@cv:~/myfiles$grep-C2'Sed'test.txt #example-4sed[OPTION]... {script-only-if-no-other-script} [input-file]....
pushRow:430, FetchOperator (org.apache.hadoop.hive.ql.exec) fetch:146, FetchTask (org.apache.hadoop.hive.ql.exec) getResults:2227, Driver (org.apache.hadoop.hive.ql) getNextRowSet:491, SQLOperation (org.apache.hive.service.cli.operation) ...
There is no AND operator in grep. But, you can simulate AND using grep -E option. grep -E 'pattern1.*pattern2' filename grep -E 'pattern1.*pattern2|pattern2.*pattern1' filename The following example will grep all the lines that contain both “Dev” and “Tech” in it (in the ...