How do I programmatically input after a prompt wit

问题:

This question already has answers here:

Have bash script answer interactive prompts (6 answers)

Closed 4 years ago.

I have to run a bash script bash.sh that starts up a command line tool.

That command line tool has a prompt that says Please enter your email:

I then need a way to programmatically enter my email after the prompt.

I have tried simply [e-mail] and I have tried echo [e-mail]. Neither seem to work because the prompt does not allow me to run any more commands.

Is this doable?

回答1:

Pass it to stdin:

command_line_tool <<< "[e-mail]"

Further reading:

• http://www.tldp.org/LDP/abs/html/io-redirection.html
• http://tldp.org/LDP/abs/html/x17837.html