Handling input confirmations in Linux shell scripting Handling input confirmations in Linux shell scripting linux linux

Handling input confirmations in Linux shell scripting


linux shell ubuntu apt debconf

yes | ./script will answer y for everything.

Otherwise, write a script that prints the answers you want, eg:

 echo N echo Y echo Y

linux shell ubuntu apt debconf

Usually you can call such interactive programs with an option to automatically answer yes to all questions. For instance, you can call apt-get with -y. From the man page :

-y, --yes, --assume-yes Automatic yes to prompts; assume "yes" as answer to all prompts and run non-interactively.

linux shell ubuntu apt debconf

For Apt, the correct answer is to "preseed" your debconf database with the correct parameters. If Debconf finds the answer from its database, it won't ask. See also http://www.debian-administration.org/articles/394

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