62 lines
2.7 KiB
Markdown
62 lines
2.7 KiB
Markdown
# Shell Tool (`run_shell_command`)
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This document describes the `run_shell_command` tool for the Gemini CLI.
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## Description
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Use `run_shell_command` to interact with the underlying system, run scripts, or perform command-line operations. `run_shell_command` executes a given shell command. On Windows, the command will be executed with `cmd.exe /c`. On other platforms, the command will be executed with `bash -c`.
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### Arguments
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`run_shell_command` takes the following arguments:
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- `command` (string, required): The exact shell command to execute.
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- `description` (string, optional): A brief description of the command's purpose, which will be shown to the user.
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- `directory` (string, optional): The directory (relative to the project root) in which to execute the command. If not provided, the command runs in the project root.
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## How to use `run_shell_command` with the Gemini CLI
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When using `run_shell_command`, the command is executed as a subprocess. `run_shell_command` can start background processes using `&`. The tool returns detailed information about the execution, including:
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- `Command`: The command that was executed.
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- `Directory`: The directory where the command was run.
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- `Stdout`: Output from the standard output stream.
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- `Stderr`: Output from the standard error stream.
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- `Error`: Any error message reported by the subprocess.
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- `Exit Code`: The exit code of the command.
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- `Signal`: The signal number if the command was terminated by a signal.
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- `Background PIDs`: A list of PIDs for any background processes started.
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Usage:
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```
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run_shell_command(command="Your commands.", description="Your description of the command.", directory="Your execution directory.")
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```
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## `run_shell_command` examples
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List files in the current directory:
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```
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run_shell_command(command="ls -la")
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```
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Run a script in a specific directory:
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```
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run_shell_command(command="./my_script.sh", directory="scripts", description="Run my custom script")
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```
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Start a background server:
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```
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run_shell_command(command="npm run dev &", description="Start development server in background")
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```
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## Important notes
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- **Security:** Be cautious when executing commands, especially those constructed from user input, to prevent security vulnerabilities.
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- **Interactive commands:** Avoid commands that require interactive user input, as this can cause the tool to hang. Use non-interactive flags if available (e.g., `npm init -y`).
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- **Error handling:** Check the `Stderr`, `Error`, and `Exit Code` fields to determine if a command executed successfully.
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- **Background processes:** When a command is run in the background with `&`, the tool will return immediately and the process will continue to run in the background. The `Background PIDs` field will contain the process ID of the background process.
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