Agent Mode fails to create files with heredoc syntax - quote escaping issues #7735
Description
Pre-submit Checks
- I have searched Warp bugs and there are no duplicates
- I have searched Warp known issues page and my issue is not there
- I have an issue with AI and have included the debugging ID (Optional, but helps expedite the AI quality fix). Debugging ID instructions
- I have technical issue and have included the logs (optional, but helps expedite the bug fix). Log instructions
Describe the bug
To reproduce
I'm experiencing a persistent issue with Warp Agent Mode when attempting to create files using heredoc syntax (cat > file << 'EOF' or similar). The agent consistently fails with exit code 130, suggesting the commands are being improperly escaped or interrupted.
Issue Details
When the agent attempts to create files using any heredoc syntax, the command fails with exit code 130. The system reports:
{"output":{"command":"cat > /tmp/file.sh << 'EOF'…","note_from_user":"Actually, I decided to run the following command: cat > /tmp/file.sh << 'EOF'…. I manually edited it, so don't try to rerun your original command from before the edit.","output":"","exit_code":130,"new_pwd":"/home/ubuntu"}}
Reproduction Steps
- Ask Agent Mode to create a bash script file
- Agent attempts to use heredoc syntax like:
cat > /tmp/script.sh << 'EOF' #!/bin/bash echo "test" EOF
Attempted Solutions
The agent has tried multiple approaches, all failing:
• ✗ cat > file << 'EOF'
• ✗ cat > file << EOF (without quotes)
• ✗ sudo tee file > /dev/null << 'EOF'
• ✓ printf 'content' | sudo tee file (workaround - works)
• ✓ Direct file creation with nano or vim (manual workaround)
• Warp Version: v0.2025.10.08.08.12.stable_03
• OS: Ubuntu (Linux)
• Shell: bash 5.2.21(1)-release
• Agent Model: claude 4.5 sonnet
Expected behavior
Expected Behavior
Heredoc syntax should work properly for creating multi-line files, as it's a standard bash feature that works when executed manually in the terminal.
Screenshots, videos, and logs
Attempted Solutions
The agent has tried multiple approaches, all failing:
• ✗ cat > file << 'EOF'
• ✗ cat > file << EOF (without quotes)
• ✗ sudo tee file > /dev/null << 'EOF'
• ✓ printf 'content' | sudo tee file (workaround - works)
• ✓ Direct file creation with nano or vim (manual workaround)
Operating system (OS)
Select an OS
Operating system and version
26.0.1
Shell Version
No response
Current Warp version
v0.2025.10.08.08.12.stable_03
Regression
No, this bug or issue has existed throughout my experience using Warp
Recent working Warp date
No response
Additional context
No response
Does this block you from using Warp daily?
No
Is this an issue only in Warp?
Yes, I confirmed that this only happens in Warp, not other terminals.
Warp Internal (ignore): linear-label:b9d78064-c89e-4973-b153-5178a31ee54e
None