通过twurl设置带换行、表情的Twitter欢迎消息遇阻，求技术协助

Let's break down what's going wrong here and fix it step by step:

1. First: Fix the JSON Syntax Error #

Looking at your command, there's a missing double quote before welcome_message that's causing twurl to reject your input immediately. Here's the broken snippet:

{"name": "auto welcome", welcome_message": {...}}

Notice the missing " right before welcome_message? That's a critical syntax error that's making the entire JSON invalid.

Corrected Command #

Here's the fixed version of your twurl command with proper JSON syntax:

twurl -A 'Content-type: application/json' /1.1/direct_messages/welcome_messages/new.json -d '{"name": "auto welcome", "welcome_message": {"message_data": {"text": "This is a welcome message.\n\nAnd I display across multiple lines.\n\nHere'\''s an emoji! \uD83D\uDC4A"}}}'

(Note: I also fixed the typo "accross" → "across" for clarity, but that wasn't causing the error.)

2. Avoid Terminal Escape Headaches with a JSON File #

Terminal environments can sometimes mess with escape characters (like \n or single quotes) when passing JSON directly via the -d flag. A more reliable approach is to write your welcome message JSON into a file:

1. Create a file named welcome_message.json with this content:

{
  "name": "auto welcome",
  "welcome_message": {
    "message_data": {
      "text": "This is a welcome message.\n\nAnd I display across multiple lines.\n\nHere's an emoji! 👋"
    }
  }
}

You can even use actual emojis directly in the file instead of Unicode escape sequences—most modern text editors support this, and the Twitter API will accept them.

2. Run twurl with the file instead of inline JSON:

twurl -A 'Content-type: application/json' /1.1/direct_messages/welcome_messages/new.json --data @welcome_message.json

The @ tells twurl to read the JSON payload from the specified file, which avoids any terminal-related escape issues.

3. Validate Your JSON First #

If you're still having trouble, use a tool like jq (install it via Homebrew with brew install jq) to validate your JSON before sending it:

jq . welcome_message.json

If your JSON is valid, jq will pretty-print it. If not, it'll tell you exactly where the syntax error is—this is a quick way to catch typos like missing quotes or commas.

After making these fixes, twurl should properly send your multi-line welcome message to the Twitter API and return a success response with the created welcome message details.

内容的提问来源于stack exchange，提问作者Calibre39