
shell - How to prompt for yes or no in bash? - Stack Overflow
For zsh users, the -q option is available. Read only one character from the terminal and set name to 'y' if this character was 'y' or 'Y' and to 'n' otherwise. With this flag set the return status is zero only if the character was 'y' or 'Y'.
How do I automatically answer y in bash script?
Apr 14, 2019 · To answer n to all questions, replace yes with yes n. For a predefined mix of y and n, you can replace yes with: printf '%s\n' y n n y y n... Or run it as: If you do need the answer not to be available for reading before 10 seconds, you'd do:
How do I script a "yes" response for installing programs?
Mar 1, 2024 · The 'yes' command will echo 'y' (or whatever you ask it to) indefinitely. Use it as: yes | command-that-asks-for-input or, if a capital 'Y' is required: yes Y | command-that-asks-for-input
In Bash, how to add "Are you sure [Y/n]" to any command or alias?
They handle any mixture of upper and lower case letters: [yY][eE][sS]|[yY]) . do_something. ;; *) do_something_else. ;; Or, for Bash >= version 3.2: do_something_else. Note: If $response is an empty string, it will give an error. To fix, simply add quotation marks: "$response".
Bash Script – Prompt to Confirm (Yes/No) - TecAdmin
Apr 12, 2024 · Learn how to add yes/no confirmation in shell script with practical bash script examples for prompt to confirm actions.
Bash script: YES/NO prompt example - LinuxConfig
In this tutorial, you will see how to create a yes/no prompt in a Bash script on a Linux system. See some of our examples below to learn how a yes/no prompt works. In this tutorial you will learn: Privileged access to your Linux system as root or via the sudo command.
How to respond with a “Y”, “Yes”, or “confirm” input in a shell script
Jun 29, 2021 · In a shell script, the use case may arise where a command requires user input in the form of a “Y”, “yes”, or even “confirm”. Really, this article will give you the ability to code into your shell script the means of emulating a user typing just …
Automatically enter input in command line - Ask Ubuntu
Aug 29, 2013 · I'm running a script that it requests entering 'y' on each operation, I am looking for a solution like $ ./script < echo 'yyyyyyyyyyyyyy' to pass all my inputs in one time. Sometimes -f option works well with certain commands. There is a …
Bash Conditional Expressions (Bash Reference Manual)
Conditional expressions are used by the [[ compound command (see Conditional Constructs) and the test and [ builtin commands (see Bourne Shell Builtins). The test and [ commands determine their behavior based on the number of arguments; see the descriptions of those commands for any other command-specific actions.
I have to use a command in shell script which will give a prompt for Y ...
Jul 30, 2015 · Many shell commands can be run with -y parameter. That will mean yes. In the simplest form, you can just echo a Y to the command: Alternatively, if it will give you multiple prompts and you want to answer Y to all of them, use yes: You can pipe the yes command to automatically answer yes.