How do I access .env variables in tasks.json within vscode?

Question

I am trying to use environment variables within task in my tasks.json file of a C# project in vscode.

In my launch.json file I have this code to parse a .env file:

"configurations": [
  {
    ...
    "envFile": "${workspaceFolder}/.env",
  }
]

I then have in the tasks.json file this task:

{
  "label": "login",
  "command": "sh",
  "type": "shell",
  "args": [
    "${workspaceFolder}/etc/login.sh",
    "${env:USERNAME}",
    "${env:PASSWORD}"
  ]
}

This seems to be the code that's implied from https://code.visualstudio.com/docs/editor/tasks, however (from testing by echoing in another task) I have found these last two args to be blank. After researching online I think I have found the reason, the configurations..env is used by the tasks themselves rather than being accessible by task.json that run and so can't be accessed.

How do I create (use) these env variables within the tasks.json?

Take a look here stackoverflow.com/a/70748562/3223785 . 🤗 — Eduardo Lúcio
– Eduardo Lúcio, Commented Jan 19, 2022 at 15:25

Ace.C · Accepted Answer · 2020-11-17 01:12:58Z

3

Checkout https://code.visualstudio.com/docs/editor/tasks-appendix

  /**
   * The environment of the executed program or shell. If omitted
   * the parent process' environment is used.
   */
  env?: { [key: string]: string };

example

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "diagnostic",
            "type": "shell",
            "options": {
                "cwd": "${workspaceFolder}/beam",
                "env": {
                    "FOO": "baz",
                }
            },
            "command": "printenv",
            "problemMatcher": []
        }
    ]
}

There is no way I am aware of to pull these from a file like with launch.json

I would open an issue on the vscode repo

answered Nov 17, 2020 at 1:12

Ace.C

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user15717674 · Accepted Answer · 2021-10-19 09:59:54Z

1

I had the same problem. I am using Windows. I was able to fix it. The issue for me was, in VSCode I had this setting set:

"terminal.integrated.automationShell.windows": "C:/Program Files/Git/bin/bash.exe"

And this was causing the env to not load properly.
I was able to access the windows settings, that you would set from that windows GUI env variable tool. But I could not access env variables set in my .bashrc. I commented out that setting.

I also have the Terminal > Integrated > Default Profile: Windows set to Git Bash.

With these changes, I was able to access env variables in my .bashrc file.

answered Oct 19, 2021 at 9:59

user15717674

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