getTokenAndWriteToFile.yml

---
execution:
- concurrency: 1
  iterations: 1
  scenario: Get token and write to it to a file

scenarios:
  Get token and write to it to a file:
    requests:
    - extract-regexp:
        CSRF_Token:
          default: NOT_FOUND
          match-no: 1 
          regexp: '"csrf-token" content="(.*)"'
          template: $1$
      follow-redirects: true
      jsr223:
      - compile-cache: 'true'
        execute: after
        language: beanshell
        parameters: null
        script-text: "import org.apache.jmeter.services.FileServer;\n\nJCSRF_Token = vars.get(\"CSRF_Token\");\nJfileName = vars.get(\"fileName\");\n\nf = new FileOutputStream(JfileName, true);\np = new PrintStream(f); \nthis.interpreter.setOut(p); \np.print(JCSRF_Token);\nf.close();p.close();"
      label: send request to get token
      method: GET
      url: http://blazedemo.com/home
    variables:
      fileName: token.txt