Hey guys. I wanted to create some code to remove certian files.
let mut from_paths = Vec::new();
from_paths.push("source/dir1");
remove_items(&from_paths).unwrap();
But lets say I didn't want to remove a particular file with the name hello.exe. How would I design it as such?
Remove them from the vector first?
lets say the file was located inside source/dir1. How would I then prevent hello.exe from being deleted?
Sounds a job for something like
for p in from_paths.filter(|p| !p.ends_with("hello.exe")) {
std::fs::remove_file()?;
}
How does this entire thing work? The |p| and How come there is a !p.ends_with("hello.exe") the exclamation mark?
The |p| starts a closure, which is a little function defined right where it is used.
The exclamation mark is the logical "not" operator, since you want to keep only those elements that do not end with hello.exe.
Thanks,
Is from_paths inherit from a structure?
I assumed from_paths was the same Vec that you had defined in your code in the original post.
Oh yes it is a vector but it must have some special data type?
Where does the filter() function come from? Is this part of the Rust language?
Right I see thanks mate
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