Daniel Fitzpatrick
Posted on May 2, 2022
![[Ann] Rivendell updated](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fudu4gsljlqrnu4clzhl1.png)
About
Rivendell adds useful functionality to elvish to take your shell to the next level!
π functional bits: high-level functions which encapsulate common design patterns.
π€ lazy iterators: transducer-inspired iterators which allow you to represent infinite sequences.
π visual aids: sparklines & histograms.
π§ plus a toolbelt of common utility functions which operate on strings, lists, and maps.
How to install
It's a 3-step process.
- Add these lines to your
~/.config/elvish/rc.elv
epm:install &silent-if-installed=$true github.com/crinklywrappr/rivendell
epm:upgrade github.com/crinklywrappr/rivendell
- Request modules Γ la carte.
use github.com/crinklywrappr/rivendell/test t
use github.com/crinklywrappr/rivendell/base b
use github.com/crinklywrappr/rivendell/fun f
use github.com/crinklywrappr/rivendell/lazy l
use github.com/crinklywrappr/rivendell/rune r
use github.com/crinklywrappr/rivendell/algo a
use github.com/crinklywrappr/rivendell/vis v
- Do cool stuff!
# lazily graphing population data from the 2021 census
var file = (a:lines NST-EST2021-alldata.csv)
var f = {|line| s:split , $line | f:listify}
var popkeys = ($f (l:first $file))
l:drop 6 $file ^
| l:each (f:comp $f (f:partial $f:zipmap~ $popkeys) (f:juxt (f:k NAME) (f:k POPESTIMATE2021)) $f:listify~) ^
| l:take 20 ^
| l:blast ^
| v:barky &min=0
Alabama ββββββββ
Alaska β
Arizona βββββββββββ
Arkansas ββββ
California βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Colorado βββββββββ
Connecticut βββββ
Delaware β
District of Coβ¦ β
Florida βββββββββββββββββββββββββββββββββββ
Georgia βββββββββββββββββ
Hawaii ββ
Idaho βββ
Illinois ββββββββββββββββββββ
Indiana βββββββββββ
Iowa βββββ
Kansas ββββ
Kentucky βββββββ
Louisiana βββββββ
Maine ββ
Documentation in the terminal
Command-line users are recommended to use glow.
Run the following command to browse the docs.
glow ~/.local/share/elvish/lib/github.com/crinklywrappr/rivendell/
π πͺ π
π©
Daniel Fitzpatrick
Posted on May 2, 2022
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