Echo multiple lines to file

Bash echo multiline to file

# possibility 1:
echo "line 1" >> greetings.txt
echo "line 2" >> greetings.txt

# possibility 2:
echo "line 1
line 2" >> greetings.txt

# possibility 3:
cat <<EOT >> greetings.txt
line 1
line 2
EOT

Source: unix.stackexchange.com

Echo multiline var into file

echo "$1" > ~/.livestreamerrc

Source: stackoverflow.com

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