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Hi,

Is there a way to use arbitrary environment variables in WDL? If so, what's the syntax? For example, how would you read and set an environment variable?

Regards,

I'm encountering an error while working with a WDL (Workflow Description Language) script. The error message is as follows:

```ERROR: Unexpected symbol (line 8, col 5) when parsing 'setter'.

Expected equal, got "command ".

command {
^
$setter = :equal $e -> $1 ```

The issue seems to be related to the command block within one of the tasks in my WDL script. I'm not sure what's causing this error, and I would appreciate any guidance on how to resolve it.

Here's the relevant portion of the WDL script:

  ``` task CreateOutputDirectory {
      File outputDir
      
      # Input block for the task.
      input {
          File outputDir
      }
      
      command {
          mkdir -p ~{outputDir}  
      }
      
      output {
          File createdOutputDir = "~{outputDir}"  # Define the created output directory as an output.
      }
  } ```

Could someone please help me understand what's causing this error and how to correct it? Your assistance would be greatly appreciated.
I tried " command <<< >>>" method also.

I wrote this script using WDL docs tutorial and this github
https://docs.openwdl.org/en/latest/WDL)

add option to use GitHub codespaces to run WDL files

Thank you for creating the amazing learn WDL tutorial. There are two typos in two cromwell setup commands (learn-wdl/5_reference_material/2_WDL-dev-env.md). The broadinstitute was misspelled into broadinstutite. Thus those commands are not working. Please update those commands into:
curl -L -o cromwell-50.jar https://github.com/broadinstitute/cromwell/releases/download/50/cromwell-50.jar
curl -L -o womtool-50.jar https://github.com/broadinstitute/cromwell/releases/download/50/womtool-50.jar