# Specify an Environment File

This command only applies to older test suites that use environment files (`.jte`) instead of configuration (`.jti`) files. Use the `envFile` command to specify an environment file (`.jte`) containing test environments that the harness must use to run the test suite:

> jtharness ... [initial set-up commands] ... `-envFile` path/filename ... [task command] ...

See About the Command-Line Examples for a description of the use of > jtharness in the following example.

When creating a command string to specify an environment file, include the commands in the following sequence:

1. Set up a configuration
2. Specify an environment file (`envFile` path/filename)
3. Include the `runtests` command (optional).

See Command-Line Overview for a description of the command line structure.

## Detailed Example of `envFile` Command

In the following example, myenvFile`.jte` represents a file name that might exist on your system.

Command Options Format Example:

> jtharness `-envFile` myenvFile`.jte -runtests`

See Formatting a Command for descriptions and examples of other command formats that you can use.

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