Creating a file in a folder

Question

How do I create a file in a certain folder in Rust?

I have tried the following approaches:

let f = File::create(Path::new(format!("{}{}","/files/",filename).as_str()));

let f = File::create(format!("{}{}","/files/",filename));

Both result in:

The system cannot find the path specified. (os error 3)

I have managed to create the file in the same directory as the executable with:

let f = File::create(format!("{}",filename));

So how do I go about creating files in a specific directory?

ls on basefolder:

PS C:\trust\svd2rust\target\debug> ls

    Directory: C:\trust\svd2rust\target\debug

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
d-----       2017-01-24     12:13                .fingerprint
d-----       2017-01-24     12:13                build
d-----       2017-01-26     10:06                deps
d-----       2017-01-24     12:13                examples
d-----       2017-01-26     07:18                files
d-----       2017-01-24     12:13                incremental
d-----       2017-01-24     12:13                native
-a----       2017-01-24     12:13              0 .cargo-lock
-a----       2017-01-26     10:06        1079240 libsvd2rust.rlib
-a----       2017-01-24     21:08          27608 log.rs
-a----       2017-01-24     13:55          27372 log2.rs
-a----       2016-08-23     15:07         565888 STM32F401x.svd
-a----       2016-08-23     15:07         912360 STM32F401xE.svd
-a----       2016-08-23     15:07        1907985 STM32F40x.svd
-a----       2017-01-26     10:06       11761561 svd2rust.exe

Answer 1

Using "files/" instead of "/files/" solved the problem.

It seems "/files/" references to the absolute path of C:\files, while "files/" references to the relative path of the executable.

So when using "/files/" it did't work since there was no folder C:\Files.