property ChildProcess.prototype.spawnfile
Usage in Deno
```typescript import { ChildProcess } from "node:node__child_process.d.ts"; ```The `subprocess.spawnfile` property indicates the executable file name of
the child process that is launched.
For [fork](../.././node__child_process.d.ts/~/fork), its value will be equal to `process.execPath`.
For [spawn](../.././node__child_process.d.ts/~/spawn), its value will be the name of
the executable file.
For [exec](../.././node__child_process.d.ts/~/exec), its value will be the name of the shell
in which the child process is launched.
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