CentOS 7에서 bash 자동 완성을 사용하는 방법

CentOS 7에서 bash 자동 완성을 사용하는 방법

bash-completion, bash-completion-extras 설치

yum install -y bash-completion bash-completion-extras

bash_completion.sh 편집

find / -name bash_completion.sh

$ find / -name bash_completion.sh
/etc/profile.d/bash_completion.sh

vim /etc/profile.d/bash_completion.sh

# Check for interactive bash and that we haven't already been sourced.
[ -z "$BASH_VERSION" -o -z "$PS1" -o -n "$BASH_COMPLETION_COMPAT_DIR" ] && return

# Check for recent enough version of bash.
bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
if [ $bmajor -gt 4 ] || [ $bmajor -eq 4 -a $bminor -ge 1 ]; then
    [ -r "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion" ] && \
        . "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion"
    if shopt -q progcomp && [ -r /usr/share/bash-completion/bash_completion ]; then
        # Source completion code.
        . /usr/share/bash-completion/bash_completion
    fi
fi
unset bash bmajor bminor

적용

source /etc/profile.d/bash_completion.sh

자동 완성 테스트

$ yum [TAB][TAB]
check             distro-sync       history           load-transaction  remove            update
check-update      downgrade         info              makecache         repolist          upgrade
clean             groups            install           provides          search            version
deplist           help              list              reinstall         shell

$ yum in[TAB][TAB]
info     install