<h2>Editing File: /etc/bash_completion.d/scl</h2><form method='post'><textarea name='content' class='file-edit'># main function bound to scl command
_scl()
{
    local cur actions cur_action collections
    COMPREPLY=()

    cur=&quot;${COMP_WORDS[COMP_CWORD]}&quot;
    actions=&quot;enable run load unload list-collections list-packages man register deregister --help&quot;

    collections=`scl list-collections`

    # Complete action names
    if ((COMP_CWORD == 1)); then
        COMPREPLY=( $(compgen -W &quot;${actions}&quot; -- ${cur}) )
        return 0;
    fi

    # If there is command or separator in arguments then stop completition
    if ((COMP_CWORD &gt; 3)); then
        for word in &quot;${COMP_WORDS[@]}&quot;; do
            if [[ ${word} == \'* || ${word} == \&quot;* || ${word} == &quot;--&quot; ]] ; then
                return 0
            fi
        done
    fi

    # Complete one or none action argument
    if ((COMP_CWORD &gt;= 2)); then
        cur_action=&quot;${COMP_WORDS[1]}&quot;

        case &quot;$cur_action&quot; in
            # No argument
            list-collections|list-enabled|--help)
                return 0
            ;;

            # Argument is collection name
            list-packages|man)
                if ((COMP_CWORD == 2)); then
                    COMPREPLY=( $(compgen -W  &quot;$collections&quot; -- ${cur}) )
                fi
                return 0
            ;;

            # Argument is collection name or &quot;-f&quot; or &quot;--force&quot;
            deregister)
                if ((COMP_CWORD == 2)); then
                    COMPREPLY=( $(compgen -W  &quot;$collections --force -f&quot; -- ${cur}))
                fi
                if [ &quot;$COMP_CWORD&quot; -eq 3 -a  &quot;(&quot; &quot;${COMP_WORDS[2]}&quot; == &quot;--force&quot; -o &quot;${COMP_WORDS[2]}&quot; == &quot;-f&quot; &quot;)&quot; ]; then
                    COMPREPLY=( $(compgen -W  &quot;$collections&quot; -- ${cur}))
                fi
                return 0
            ;;

            # Argument is directory
            register)
                compopt -o plusdirs
                if ((COMP_CWORD == 2)); then
                    COMPREPLY=( $(compgen -A  directory -- ${cur}) )
                fi
                return 0
            ;;

            # Arguments are collections or &quot;-x&quot; or &quot;--exec&quot;
            run|enable)
                if ((COMP_CWORD == 2)); then
                    COMPREPLY=( $(compgen -W  &quot;$collections -x --exec&quot; -- ${cur}) )
                else
                    COMPREPLY=( $(compgen -W  &quot;$collections&quot; -- ${cur}) )
                fi
                return 0
            ;;

            # Arguments are collections 
            load|unload)
                COMPREPLY=( $(compgen -W  &quot;$collections&quot; -- ${cur}) )
                return 0
            ;;
            *)
            ;;
        esac
    fi

}

# bind the scl command to the _scl function for completion
complete -F _scl scl
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