How to pass powershell variable to groovy variable in Jenkinsfile

Question

I am writing pipeline in Jenkinsfile. And I have the problem. How can I pass powershell variable to groovy variable, or how can I manipulate with files within groovy in Jenkinsfile as I do via powershell?

     stage('GETTING SLN FILES') {
       steps {
           script {
               powershell """$dirs_with_sln = Get-ChildItem -Path . -Recurse *.sln | Select-Object -Property Directory -Unique
                             $slns = @()
                             foreach($dir in $dirs_with_sln) {
                               $dir = $dir.Directory
                               $FileExists = Test-Path -Path "$dir\\default.ps1"
                               if ($FileExists -eq $true) {
                                   $slns += $(Get-ChildItem -Path $dir -Filter *.sln).FullName
                               }
                             }
                          """
    }

My solutions.json file :

[
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\AlertDelivery\\AlertDelivery.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\BusinessWireNewsProcessor\\BusinessWireNewsProcessor.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\ComponentMesosExecutor\\ComponentMesosExecutor.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Crawling\\Core\\Agent\\CrawlingAgent.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Crawling\\Crawlers\\Crawlers.Base\\_Crawlers.Base.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Crawling\\Crawlers\\Crawlers.Custom\\_Crawlers.Custom.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Crawling\\Crawlers\\Crawlers.Internal\\_Crawlers.Internal.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Crawling\\Crawlers\\Crawlers.Reporting\\_Crawlers.Reporting.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\DocumentsMerge\\VADocumentsMerge\\VADocumentsMerge.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\Downloading\\DownloadProcessor.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\LogCollector\\LogCollector.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\MailProcessor\\MailProcessor.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\MailProcessor\\ProcessingAlgorithms\\CourthouseNewsAlgorithm\\InfoNgen.MailProcessor.CourthouseNewsAlgorithm.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\MailProcessor\\ProcessingAlgorithms\\DefaultProcessingAlgorithms\\InfoNgen.MailProcessor.DefaultProcessingAlgorithms.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\MailProcessor\\ProcessingAlgorithms\\HtmlNewsletterAlgorithm\\HtmlNewsletterAlgorithm.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\ProcessingUnit\\ProcessingUnit.sln",
    "D:\\ws\\workspace\\msbuild-test\\src\\DataProcessors\\SharePointDataLoader\\SharePointDataLoader.sln"
]

Answer 1

Here is an example for you.

Your problem is out-file output with system default encoding, which is not ASCII

When pipeline read the text file, it's not able to recognize the first 1 or 2 bytes as ASCII characters. So, report the error.

So you can simply force output the json file in ASCII or read the json file content use the proper encoding.

import groovy.json.JsonSlurper
pipeline {
  agent any
  stages {
    stage('1') {
      steps {
        script {
          powershell (script: "ls C:\\ | select Name, FullName | ConvertTo-Json | out-file C:\\Temp\\1.json -encoding ascii")
          def t = readFile("C:\\Temp\\1.json")
          def tt = (new JsonSlurper()).parseText(t)
          println tt
        }
      }
    }
  }
}