Expand content with environment variables.
Piped from stdin
export MY_VAR="my value"
echo "Content with $ENV_VAR" | envrpl
From a file
echo "Hello $USER" > file.txt
envrpl < file.txt
Debian package
VERSION=0.0.1
# Download the latest release
wget https://github.com/GDWR/envrpl/releases/download/v${VERSION}/envrpl_${VERSION}_amd64.deb
# Install the package
sudo dpkg -i envrpl_${VERSION}_amd64.deb
# Clean up
rm envrpl_${VERSION}_amd64.deb