NGS - Next Generation Shell

About

Next Generation Shell is a modern programming language that focuses on "DevOps"y use cases.

NGS utilizes a subset of bash syntax for running external programs and provides additional facilities for ergonomic experience: exit codes handling, output parsing, etc.

Data manipulation is convenient. NGS provides map, filter and other primitives for basic functional programming, uniquely extended to support patterns.

Examples and Sample Features

Standard library instead of repetative re-implementation in each script.

log("my log message")
debug("facility", "closing file ${f}") and run with DEBUG=facility environment variable
status("Reading ${f} - ${p}% done")
retry function

Run external programs ergonomically

$(your_program --id $id --values $*values)
p=$(your_program &) ... p.kill()
output = `your_program --values $*args`
structured_data = ``curl https://api.example.com/blah.json``
smart and customizable handling of processes' exit codes (including throwing exceptions)

Manipulate structured data

map, filter, reject with the usual meanings
mapk - maps hash keys
mapv - maps hash values
filterk / rejectk - filters hash by keys
filterv / rejectv - filters hash by values
the_one - returns the only element in an array
group - groups values into hash
collector - accumulates result
Table - displays tabular data elegantly
Stats - counts occurrences
fetch - reads and parses a file or a URL

More examples at RosettaCode

Install

Curl

curl https://ngs-lang.org/install.sh | bash

Git

git clone git@github.com:ngs-lang/ngs.git
cd ngs && ./install.sh

Homebrew

brew install ngs

Snap

sudo snap install ngs

Jupyter Notebook


!curl "https://raw.githubusercontent.com/ngs-lang/ngs-ipython-extension/master/ngs-install.sh" | bash

%load_ext ngs
%ngs [single line expression]
%%ngs [multi line code]

Run Without Installing

Docker

docker run -it --rm ngslang/ngs

Docker with Jupyter Notebook

docker run -p 8888:8888 ngslang/ngs-jupyter

Github Actions

- uses: ngs-lang/ngs@v0.2.13
- run: ngs -pi 'sum(10..100)'

Next Generation Shell