The file was lost in the clircle::Identifier, this should no

Error message

The file was lost in the clircle::Identifier, this should not have happened...

What it means

Error "The file was lost in the clircle::Identifier, this should not have happened..." thrown in sharkdp/bat.

Source

Thrown at src/input.rs:236

                reader: {
                    let path_display =
                        crate::preprocessor::sanitize_for_terminal(&path.to_string_lossy());
                    let mut file =
                        File::open(&path).map_err(|e| format!("'{path_display}': {e}"))?;
                    if file.metadata()?.is_dir() {
                        return Err(format!("'{path_display}' is a directory.").into());
                    }

                    if let Some(stdout) = stdout_identifier {
                        let input_identifier = Identifier::try_from(file)
                            .map_err(|e| format!("{path_display}: Error identifying file: {e}"))?;
                        if stdout.surely_conflicts_with(&input_identifier) {
                            return Err(format!(
                                "IO circle detected. The input from '{path_display}' is also an output. Aborting to avoid infinite loop.",
                            )
                            .into());
                        }
                        file = input_identifier.into_inner().expect("The file was lost in the clircle::Identifier, this should not have happened...");
                    }

                    InputReader::try_new(BufReader::new(file))?
                },
            }),
            InputKind::CustomReader(reader) => Ok(OpenedInput {
                description,
                kind: OpenedInputKind::CustomReader,
                metadata: self.metadata,
                reader: InputReader::try_new(BufReader::new(reader))?,
            }),
        }
    }
}

pub(crate) struct InputReader<'a> {
    inner: Box<dyn BufRead + 'a>,
    pub(crate) first_line: Vec<u8>,

View on GitHub (pinned to b671e53c2c)

When it happens

Trigger: Thrown at src/input.rs:236 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sharkdp/bat@b671e53c2c (2026-08-16). Data as JSON: /api/errors/6122e3833e795528. Report an issue: GitHub.