tuitab 0.7.0

Terminal tabular data explorer — CSV/JSON/YAML/TOML/Parquet/Excel/SQLite viewer with filtering, sorting, pivot tables, and charts
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use crate::data::column::ColumnMeta;
use crate::data::dataframe::DataFrame;
use crate::types::ColumnType;
use color_eyre::Result;
use polars::prelude::*;
use std::fs::File;
use std::path::Path;

pub(super) fn load_txt(path: &Path) -> Result<DataFrame> {
    use std::io::{BufRead, BufReader};

    let file = File::open(path)?;
    let reader = BufReader::new(file);
    let lines: Vec<String> = reader.lines().map(|l| l.unwrap_or_default()).collect();

    let series = Series::new("Line".into(), &lines);
    let pdf = polars::prelude::DataFrame::new_infer_height(vec![series.into()])?;

    let mut col_meta = ColumnMeta::new("Line".to_string());
    col_meta.col_type = ColumnType::String;
    col_meta.width = 60;

    Ok(DataFrame::from_parts(pdf, vec![col_meta]))
}