how to set gitignore file code example

Example 1: create gitignore

# creates gitignore file
$ touch .gitignore

Example 2: git add gitignore

$ touch .gitignore

Example 3: how to generate gitignore file

echo "
bin/**
lib/**
pyvenv.cfg
**.pyc
"  > .gitignore
cat .gitignore

Example 4: how to generate a .gitignore

echo "function gi() { curl -L -s https://www.gitignore.io/api/\$@ ;}" >> ~/.bash_profile && source ~/.bash_profile