安裝Linux的時候選擇了中文版，桌面的目錄就在 $HOME目錄下的"桌面"目錄；

在gnome terminal要進這個目錄，從redhat、FC，到RHEL，ubuntu，沒少煩過我：每次敲cd命令後還要把輸入法切換到中文，再輸入" 桌面"；

後來找到一下辦法：在.bashrc中export d=~/桌面/，要進“桌面"目錄也就輸入: "cd $d"

這時，問題又來了：

要把桌面的某個檔案移到別的地方，敲mv $d/之後按TAB，bash竟然幫我補全成: "mv \$d/"....無語....

[email protected]:~$ complete |grep mv
complete -o default -F _longopt mv
 
[email protected]:~$ 

解決的辦法：在_filedir()函式中把 "$d"替換掉，因此在_filedir()函式最後增加程式碼：

    local cnt=0
    while [ $cnt -lt ${#COMPREPLY[@]} ];
    do  
        local v=${COMPREPLY[$cnt]}
        if [[ ${v:0:1} == "{1}quot; ]]; then
            COMPREPLY[$cnt]=$(eval echo "$v")
        fi  
        ((cnt++))
    done
 

_filedir()
{
    local i IFS=$\'\n\' xspec

    _tilde "$cur" || return 0

    local -a toks
    local quoted tmp

    _quote_readline_by_ref "$cur" quoted
    toks=( ${toks[@]-} $(
        compgen -d -- "$quoted" | {
            while read -r tmp; do
                # TODO: I have removed a "[ -n $tmp ] &&" before 'printf ..',
                #       and everything works again. If this bug suddenly
                #       appears again (i.e. "cd /b<TAB>" becomes "cd /"),
                #       remember to check for other similar conditionals (here
                #       and _filedir_xspec()). --David
                printf '%s\n' $tmp
            done
        }
    ))

    if [[ "$1" != -d ]]; then
        # Munge xspec to contain uppercase version too
        [[ ${BASH_VERSINFO[0]} -ge 4 ]] && \
            xspec=${1:+"!*
 
[email protected]($1|${1^^})"} || \
            xspec=${1:+"!*[email protected]($1|$(printf %s $1 | tr '[:lower:]' '[:upper:]'))"}
        toks=( ${toks[@]-} $( compgen -f -X "$xspec" -- $quoted) )
    fi
    [ ${#toks[@]} -ne 0 ] && _compopt_o_filenames

    # If the filter failed to produce anything, try w/o it (LP: #533985)
    if [[ -n "$1" ]] && [[ "$1" != -d ]] && [[ ${#toks[@]} -lt 1 ]] ; then
       toks=( ${toks[@]-} $( compgen -f -X -- $quoted) )
    fi

    COMPREPLY=( "${COMPREPLY[@]}" "${toks[@]}" )

    local cnt=0
    while [ $cnt -lt ${#COMPREPLY[@]} ];
    do 
        local v=${COMPREPLY[$cnt]}
        if [[ ${v:0:1} == "{1}quot; ]]; then
            COMPREPLY[$cnt]=$(eval echo "$v")
        fi
        ((cnt++))
    done
}