Mac zip encrypt file with password

Here is a command line for compressing a text file with password protection.

• zip – the command
• -er – the option tells it to encrypt the file and recursively if it’s a folder
• destination-filename.zip – the output zip file encrypted with password
• file-to-compress.txt – the text file to be compressed with password protection, this can also be a folder name

zip -er destination-filename.zip file-to-compress.txt