Bash programming/Bash command-line completion

Support for bash completion feature is provided in Debian and Ubuntu distribution by the bash completion package. Once installed you also usually need to uncomment the following in /etc/bash.bashrc and/or .bashrc files to source the bash completion files. The following example is from /etc/bash.bashrc^[1]:

# enable bash completion in interactive shells
if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
    . /etc/bash_completion
fi

MacOS also support autocompletion in bash^[2], create or add the following lines to file: ~/.inputrc

set completion-ignore-case on
set show-all-if-ambiguous on
TAB: menu-complete

If you need autocompletion for your ssh hostname, you should modify your ~./.bash_profile file ^[3], using the builtins complete and compgen commands or install bash-completion package.

Bash programming

Introduction →

[1] ttps://unix.stackexchange.com/questions/12356/how-does-tab-auto-complete-find-options-to-complete

[2] ttps://timleland.com/how-to-enable-autocomplete-in-mac-terminal/

[3] ttps://unix.stackexchange.com/questions/136351/autocomplete-server-names-for-ssh-and-scp

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