Posts - Page 210 (page 210)
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3 min readIn Groovy, you can access the properties of a delegate object using the "delegate" keyword. This keyword refers to the object that has been delegated to by the current object. You can simply use the dot notation to access the properties of the delegate object. For example, if you have delegated an object called "myDelegate" to another object, you can access its properties like this: delegate.propertyName.
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4 min readTo perform git checkout using a Groovy script, you can use the "sh" step in a Jenkins pipeline. Here's an example of how you can do this: pipeline { agent any stages { stage('Checkout') { steps { script { sh 'git checkout <branch-name>' } } } } } Replace <branch-name> with the name of the branch you want to checkout.
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5 min readTo read a sheet in CSV using Groovy, you can use the built-in functionality available in Groovy for working with CSV files. You can use the CsvParser class to read the CSV file and then iterate over each row in the sheet to access the data.To start, you'll need to import the necessary classes for working with CSV files in Groovy. Then, you can create a new instance of CsvParser and pass in the CSV file to read.
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4 min readTo import a Groovy package or class into a pipeline in Jenkins, you can use the 'import' statement at the beginning of your Jenkinsfile. This statement allows you to access and use the functionalities of the specified package or class within your pipeline script. By importing the necessary packages or classes, you can leverage their features and capabilities to streamline and enhance your pipeline workflow.
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2 min readTo clear a text file without deleting it using Groovy, you can open the file in write mode and then truncate the contents of the file. This can be done by creating a new BufferedWriter object and passing it the file object in write mode. Then, you can use the truncate() method to clear the contents of the file. Remember to close the BufferedWriter object after writing to the file to ensure that changes are saved properly.
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5 min readTo download a jar file from a URL using Groovy, you can use the following code snippet: @GrabResolver(name='bintray', root='http://dl.bintray.com/content/shapeshift/maven') @Grab('com.shapeshift:zabox-core:0.1.5') import groovyx.net.http.HTTPBuilder def url = 'https://example.com/file.jar' def outputFile = new File('file.jar') new HTTPBuilder(url).get { resp, body -> outputFile.
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5 min readIn Groovy, you can join a list of maps using the collect method. The collect method allows you to transform each element in the list before joining them together. First, create a list of maps that you want to join. Then, use the collect method to extract a specific value from each map and join them together using the join method. This will give you a string representation of the combined values from all the maps in the list.
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4 min readTo create a property using Groovy script, you can simply declare a variable and assign a value to it. For example, you can create a property named "name" and assign it a value like this:def name = "John"This will create a property named "name" with the value of "John". You can then access and manipulate this property in your Groovy script as needed.
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4 min readTo run Maven commands using a Groovy script, you can use the ProcessBuilder class to execute external commands. You need to create a new ProcessBuilder instance and set the command to be executed (in this case, the Maven command).Here is an example of how you can run a Maven command using Groovy script: def command = "mvn clean install" def processBuilder = new ProcessBuilder(command.split(" ")) processBuilder.
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7 min readTo find an XML tag using Groovy, you can use the XmlSlurper class provided by Groovy. You can create an instance of XmlSlurper and then use methods like find, findAll, or depthFirst to search for specific XML tags based on their name or attributes. You can also use the GPath expressions to navigate through the XML structure and locate the desired tag. By using these methods, you can easily find and extract information from XML documents in Groovy.
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4 min readTo pass multiple string parameters to a function in Groovy, you can simply list the parameters separated by commas within the parentheses when defining the function.
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5 min readWhen cleaning up the output of a groovy script, you can start by using print statements to check the values and variables being outputted. This will help you identify any unnecessary or unwanted information in the output.You can also use formatting techniques such as using the println() function to display output on a new line or using string interpolation to concatenate variables with specific text or formatting.