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Rollup merge of #113787 - sanchopanca:process-command-windows-docs, r=ChrisDenton

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Update documentation for std::process::Command's new method

In the current documentation, it's not specified that when creating a Command, the .exe extension can be omitted for Windows executables. However, for other types of executable files like .bat or .cmd, the complete filename including the extension must be provided.

I encountered it by noticing that `Command::new("wt").spawn().unwrap()` succeeds on my machine while `Command::new("code").spawn().unwrap()` panics. Turns out VS Code's entrypoint is .cmd file.

`resolve_exe` method mentions this behaviour in [a comment](e7fda447e7/library/std/src/sys/windows/process.rs (L425)), but it makes sense to mention it at a more visible place.

I've added this clarification to the documentation, which should make it more accurate and helpful for Rust developers working on the Windows platform.
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Matthias Krüger 2023-07-20 07:08:42 +02:00 committed by GitHub
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library/std/src/process.rs
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@ -558,6 +558,14 @@ impl Command {
/// but this has some implementation limitations on Windows
/// (see issue #37519).
///
/// # Platform-specific behavior
///
/// Note on Windows: For executable files with the .exe extension,
/// it can be omitted when specifying the program for this Command.
/// However, if the file has a different extension,
/// a filename including the extension needs to be provided,
/// otherwise the file won't be found.
///
/// # Examples
///
/// Basic usage: