Conditional Statements in Bash Script - Bash script, like other programming languages, has features such as if statements, loops, and other useful constructs that make the language powerful and versatile. One of the most important concepts to understand
Knowing how conditionals work in bash open up a world of scripting possibilities. We’ll learn the basic syntax, including if, else, and elif. Then we'll look at a few of the "primary" operators you can leverage in a conditional statement such as = for string equality, -eq for numeric...
If we run: ./case_match.sh b## print "b match"./case_match.sh anything## print "none of the case match"echo$?## 1 Example case"$1"in*.tar|*.tgz)tar-xzvf"$1";;*.gz)gunzip-k"$1";;*.zip)unzip-v"$1";;*)echo"Cannot extract$1"exit1;;esac### ./case_match.sh image....
[Bash] Use case for Complicated Conditional Statements in Bash,CaseBasiccase"$1"ina)echo"amatch";;b)echo"bmatch";;c)echo"cmatch";;*)echo"noneofthecasematch"exit1;;esacIfwerun:./case_
Learn Bash conditional statements with practical examples. Check if a number is greater than 10, if a file exists, and more. Start mastering Bash scripting today!.
Multiple uses of condition statements are tried to explain in this tutorial by using appropriate examples. Hope, the reader will be able to use conditional statements in bash script efficiently after practicing the above examples properly. For more information watchthe video!
Conditional statementsallow us to change the way our program behaves based on the input it receives, the contents of variables, or any of a number of other factors. The most common and useful conditional for us to use in bash is theifstatement. We can use anifstatement like so: ...
Run the project with dotnet run: Bash Copy dotnet run Your output shows: Output Copy Queen Congratulations, you've created a piece of code that, given a card number, produces a description.Next unit: Use loops to iterate over statements Previous Next Having...
Makefile - Using ifeq and ifndef in GNU Make, I've written a fairly simple test Makefile where I define two targets, all & clean. I've got two different conditional statements. One checks for the existence of the … Makefile: ifeq ...
In GNU Make commit 07fcee35 ([SV 64815] Recipe lines cannot contain conditional statements, 2023-05-22) and following, conditional statements may no longer be preceded by a tab character (which Make refers to as the recipe prefix). There are a handful of spots in our various Makefile(s...