cmd-line-app

Command Line Tool App (Fruit-Basket)

Build a console application (CLI) that allows a user to process a CSV-file and produce a summary report from it.

Prerequisites

1. Install nodeJS: https://nodejs.org/en/ - Download the Recommended For Most Users Option

• WINDOWS: On the Destination folder screen: Set the field to ‘C:\’
• MAC: Installs automatically where it needs to be

2. Download the files:

• fruit-basket.csv - full verified data

• b.csv - bad dataup – bad data results in an error

• b2.csv - bad data mockup – bad data results in an error

• MAC: save these files at user level dir; for ex: Macintosh HD/Users/claffe200/fruit-basket.csv

• WINDOWS: save these files at user level dir; for ex: C:\User\claffe200\fruit-basket.csv

Install the APP globally (don’t forget the ‘g’ global option):

• MAC: Run this in Terminal:

sudo npm install -g cmd-line-app

• WINDOWS: Run this in Terminal:

npm install -g cmd-line-app

If you get access errors / permission errors, try running this and then retry npm install -g fruit-basket

sudo chown -R $USER /usr/local/lib/node_modules

Install Dependencies

• Go to the directory where fruit-basket app lives (For ex: 'Desktop/apps/fruit-basket'):
• Run Yarn install to get all the project dependencies - should create a 'node_modules' folfer inside of 'fruit-basket' folder

yarn install

Make App Globally Available

• Once installed, go to the directory where fruit-basket app lives (For ex: 'Desktop/apps/fruit-basket'):

cd Desktop/apps/fruit-basket // for example

• Still inside the fruit-basket directory, enter these two lines to make the app available globally. You will be able to run a command in terminal from anywhere.

npm link
yarn link

// entering command 'fruit-basket' will yield the app output

Run the App in Command Terminal

• To see all available commands (options: help and command: start):

fruit-basket

• Execute the following command to get help:

fruit-basket help

• Execute the following command to start the app:

fruit-basket start

• When prompted 'Enter CSV File:', insert 'fruit-basket.csv' or the full file path at '/Users/myName/fruit-basket.csv' in field and hit Enter
• App should execute with proper outputs

Publish to NPM

• To publish changes, call these commands in terminal:

npm publish
yarn publish