Comments (4)
To make it easier to copy/paste, I made
#!/usr/bin/env nargo
---
[dependencies]
log = "0.4"
env_logger = "0.11"
---
use log::info;
fn main() {
env_logger::init();
info!("program started");
println!("Hello world!");
}
$ ./run.rs
Hello World!
$ RUST_LOG=trace ./run.rs
[2024-02-16T17:04:41Z INFO env_logger_311] program started
Hello world!
By default env_logger
reports nothing back. You can use filter_level
to set the level you want shown. clap-verbosity-flag
helps provide a CLI for this.
As this is working as expected, I'm going to go ahead and close this. If there is a reason we should re-evaluate, let us know!
from env_logger.
PS C:\Users\oliva\Documents\playground> Set-Variable -Name "RUST_LOG" -Value "trace"
PS C:\Users\oliva\Documents\playground> echo $RUST_LOG
trace
PS C:\Users\oliva\Documents\playground> cargo run
Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Running `target\debug\playground.exe`
Hello world!
PS C:\Users\oliva\Documents\playground>
from env_logger.
I have no powershell experience so I can't answer to what is going wrong between powershell and env_logger.
from env_logger.
PS C:\Users\oliva\Documents\playground> $Env:RUST_LOG = 'trace'
PS C:\Users\oliva\Documents\playground> $Env:RUST_LOG
trace
PS C:\Users\oliva\Documents\playground> cargo run
Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Running `target\debug\playground.exe`
[2024-02-16T17:28:54Z INFO playground] program started
Hello world!
from env_logger.
Related Issues (20)
- MSRV break due to is_terminal 0.4.8 HOT 1
- `WriteStyle` is ignored when used with `Target::Pipe`
- Replace is-terminal dep with std::io::IsTerminal HOT 7
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- about doc HOT 2
- Cargo.lock is not meant to be checked in for libraries HOT 4
- Trivial: the systemd example misuses RUST_LOG_STYLE HOT 1
- method not found in `&mut Formatter` HOT 1
- can't see any logs when using #[windows_subsystem = "windows"] HOT 4
- Missing changelog for 0.10.1 HOT 1
- Remove deprecated APIs
- Missing recent releases on github? HOT 1
- logger crate catches Clion stop signal HOT 1
- Provide a way to disable automatic flushing when using `Target::Pipe` HOT 1
- Feature Deprecation Without Warning or Migration HOT 3
- Issue with `anstream` optional dependency HOT 1
- Empty changelog for 0.11.2 HOT 1
- [feat] support star matching HOT 3
- delete me HOT 1
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from env_logger.