concat-large-files

Video class about the project.

Run and combine the files:

npm start | tee ./result/log.log

Reading the first 100 lines of the file:

cat ./result/final.csv | head -100

Reading the latest 100 lines of the file:

cat ./result/final.csv | tail -100

Checking how many lines there is in a file:

cat ./result/final.csv | wc -l

Sum numbers with node:

node -p '2+3'