guillem/dr
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases 23 Wiki Activity

Improved readme

Browse source
This commit is contained in:
Guillem Borrell 2022-11-20 11:21:07 +00:00
parent e7e9ba550e
commit 8d8340c579
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
README.md
View file

@ -1,10 +1,10 @@
# csvgr.rs
# dr.rs
A set of csv files processing utilities inspired by [csvkit](https://github.com/wireservice/csvkit) with blazing speed, powered by Rust.
A set of data files (mostly csv and parquet) processing utilities inspired by [csvkit](https://github.com/wireservice/csvkit) with blazing speed, powered by Rust.
You may wonder why I'm implementing this, since there's already [xsv](https://github.com/BurntSushi/xsv). There are two reasons for that:
1. This is the project I'm implementing to learn Rust
1. This what I'm implementing to learn Rust
2. The Rust data ecosystem has evolved immensely since xsv was sarted. Now we can add things like SQL commands to filter csv files, or translate results to parquet files.
## Example
@ -22,7 +22,7 @@ Wine,Alcohol,Malic.acid,Ash,Acl,Mg,Phenols,Flavanoids,Nonflavanoid.phenols,Proan
1,14.06,2.15,2.61,17.6,121,2.6,2.51,.31,1.25,5.05,1.06,3.58,1295
1,14.83,1.64,2.17,14,97,2.8,2.98,.29,1.98,5.2,1.08,2.85,1045
$ cat wine.csv | ./target/release/csvgr sql "select Wine, avg(Alcohol) from this group by Wine" | ./target/release/csvgr print
$ cat wine.csv | dr sql "select Wine, avg(Alcohol) from this group by Wine" | dr print
shape: (3, 2)
┌──────┬───────────┐
│ Wine ┆ Alcohol │