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promp file path can be passed by parameter #2863
Description
Describe the feature or problem you'd like to solve
No response
Proposed solution
Currently, you are allow to do copilot -p "prompt"
If prompts are large, or contain quotes or other special characters, it would be better to have the prompt in a file and pass it to the cli (ex copilot -f /prompt.md) instead of having to use cat or other commands.
Example prompts or workflows
No response
Additional context
No response
Activity
patniko commentedon Oct 26, 2026
Thanks for the report! This is the same issue as #3398, so I'm closing this one as a duplicate. Please follow that issue for updates and add any extra details there.
Triaged as part of a Copilot SDK backlog review, with help from GitHub Copilot.
--prompt-file <path>flag (large prompts hit ARG_MAX; stdin is awkward) #3398