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fix: send EOF via empty stdin so Claude exits after agentic prompt

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Without -p, Claude enters interactive mode and waits for more input
indefinitely. Setting input="" closes the stdin pipe immediately,
causing Claude to process the positional prompt and then exit.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
chungyeong
2026-03-13 23:04:13 +09:00
parent ecf44b4c07
commit 290eace01b
1 changed files with 4 additions and 1 deletions
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5
cross_eval/agent.py
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@@ -442,7 +442,10 @@ def invoke_agent_agentic(
input_data = prompt
else:
# claude: use positional arg with a pointer to the task file
# (avoids OS arg length limits for large prompts)
# (avoids OS arg length limits for large prompts).
# Send empty stdin so Claude receives EOF and exits after processing
# instead of hanging in interactive mode waiting for more input.
input_data = ""
cmd.append(
f"Read the task file at {task_file} and execute all instructions in it. "
f"Work only inside the current directory and do not modify files "