execute shell to create a file

execute-shell-write-file.sh

def executeOnShell(String command) {
  return executeOnShell(command, new File(System.properties.'user.dir'))
}
 
private def executeOnShell(String command, File workingDir) {
  println command
  def process = new ProcessBuilder(addShellPrefix(command))
                                    .directory(workingDir)
                                    .redirectErrorStream(true) 
                                    .start()
  process.inputStream.eachLine {println it}
  process.waitFor();
  return process.exitValue()
}
 
private def addShellPrefix(String command) {
  commandArray = new String[3]
  commandArray[0] = "sh"
  commandArray[1] = "-c"
  commandArray[2] = command
  return commandArray
}

def npmrcFile = """
    _auth="yourtoken"
    email=email-noreply@merrillcorp.com
    always-auth=true
    progress="="
"""

def gitconfig = """
    [user]
        email = email-noreply@merrillcorp.com
        name = Jenkins
"""

executeOnShell("echo ${npmrc} >> /home/jenkins/node/.npmrc")
executeOnShell("cat /home/jenkins/node/.npmrc")