I'm writing a Linux Shell Script to automate a few things I'm doing on Ubuntu 11.04.
Basically, I'm writing a shell script to install NGINX, MySQL, and PHP, and then configure everything. I know how to do everything via the command-line.
However, I don't know how I'm going to handle the parts where the process asks for user input. For example, certain things I install with apt-get ask you for a confirmation i.e. (Y)es or (N)o.
How exactly would I handle auto-confirmation in the shell script i.e. to automatically confirm Yes or No when asked?
Shell scripts have access to some "magic" variables from the environment: $0 - The name of the script. $1 - The first argument sent to the script. $2 - The second argument sent to the script.
yes | ./script
will answer y
for everything.
Otherwise, write a script that prints the answers you want, eg:
echo N
echo Y
echo Y
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