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TUI freeze and show stray ANSI escape codes with piped or redirected stdin #28538
Closed as not planned
Description
Description
What happened
Running opencode < instructions.txt or "echo hello | opencode" opens the TUI, but input becomes unusable (ANSI noise, no interaction).
Actual behavior
The TUI becomes unresponsive and shows stray ANSI characters.
Expected behavior
The prompt is auto-submitted and the TUIstays interactive.
Plugins
No response
OpenCode version
1.15.5
Steps to reproduce
opencode < test-prompt.txtecho hello | opencode
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Operating System
Linux (Arch)
Terminal
Ghostty
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github-actions commentedon May 20, 2026
This issue might be a duplicate of existing issues. Please check:
echo test | opencodetrigger, same ANSI rendering breakagegithub-actions commentedon Jul 20, 2026
To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.