update doc

README.cn.md

@@ -341,7 +341,7 @@ alias zh='z -I -t .'
 
 第一列数据代表该路径多少秒以前访问过，第二列是路径名称。此时，你可以试着敲几个字母，用 fzf 的字符串模糊匹配进行定位，或者用光标键的上和下（CTRL+J/K 也可以）来上下移动，最后按回车 cd 过去，或者 ESC 放弃。
 
-版本 `v1.5.1` 引入了模拟 "dir stack" 可以通过： `z -`，`z --` 和 `z -{num}` 来操作:
+版本 `v1.5.1` 引入了模拟 `dirstack` 可以通过： `z -`，`z --` 和 `z -{num}` 来操作：
 
 ```bash
 # 显示当前的 dir stack
@@ -361,8 +361,11 @@ $ z -
   => cd -
 ```
 
+这个 `dirstack` 是根据 z.lua 的路径历史数据库计算的出来的，所以和具体的 shell 或者操作系统都没有关系。你退出再登陆不会丢失这些路径历史，不同的 shell 之间也可以共享同一份历史数据。
+
 注意：最好把增强匹配模式打开，这样查看历史路径时可以把当前路径过滤掉。
 
+
 ## Tips
 
 推荐一些常用的命令别名:

README.md

@@ -343,21 +343,7 @@ NOTE: To enable this, command `fzf` must be found in `$PATH` before initializati
 
 ## Most Recently Accessed Path
 
-We always use `cd -` to go back to last accessed directory, but with the help of `fzf` we can achieve this productively:
-
-```bash
-alias zh='z -I -t .'
-```
-
-The new alias `zh` (jump to history) uses a parameter `-t` to sort the result by time and `-I` to use `fzf` for selection. the result is:
-
-![](images/mru.png)
-
-The first column indicates how many seconds ago you have visited, and the second column is the path name. With `zh`, you can type some character to use string matching in fzf, or use `<Up>`/`<Down>` (as well as `CTRL+j/k`) to move the selector (red `>`) up and down. 
-
-At last, press `<enter>` to accept or `<ESC>` to give up. 
-
-Version `v1.5.1` has introduced a simulated "dir stack", which can be manipulated by `z -`, `z --` and `z -{num}`:
+`z.lua` provides a fast way to visit MRU directories without typing any keyword. That is `dirstack`, which records recently visited paths and can be manipulated by `z -`, `z --` and `z -{num}`:
 
 ```bash
 # display current dir stack
@@ -377,6 +363,22 @@ $ z -
   => cd -
 ```
 
+The `dirstack` is calculated from z.lua's database, and has no dependency on shells or systems. You will not lost records after re-login, and history can be shared across shells and sessions.
+
+There is another way to access MRU directories interactively by utilizing parameter `-I` (fzf) and `-t` (sort by time):
+
+```bash
+alias zh='z -I -t .'
+```
+
+The new alias `zh` (jump to history) uses a parameter `-t` to sort the result by time and `-I` to use `fzf` for selection. the result is:
+
+![](images/mru.png)
+
+The first column indicates how many seconds ago you have visited, and the second column is the path name. With `zh`, you can type some character to use string matching in fzf, or use `<Up>`/`<Down>` (as well as `CTRL+j/k`) to move the selector (red `>`) up and down. 
+
+At last, press `<enter>` to accept or `<ESC>` to give up. 
+
 Remember to enable the [enhanced matching](#enhanced-matching) algorithm, the current working directory can be skipped with it.
 
 
@@ -448,6 +450,7 @@ As you see, z.lua is the fastest one and requires less resource.
 
 ## History
 
+- 1.5.2 (2019-02-16): be aware of all arguments in fzf completion.
 - 1.5.1 (2019-02-15): new: simulated dir stack by `z -`, `z --` and `z -{num}`.
 - 1.5.0 (2019-02-14): fixed minor issues in backward jumping.
 - 1.4.7 (2019-02-13): Don't use regex in backward jumping (use plain text instead).

z.lua

@@ -4,7 +4,7 @@
 -- z.lua - a cd command that learns, by skywind 2018, 2019
 -- Licensed under MIT license.
 --
--- Version 1.5.1, Last Modified: 2019/02/15 11:26
+-- Version 1.5.2, Last Modified: 2019/02/16 14:25
 --
 -- * 10x faster than fasd and autojump, 3x faster than z.sh
 -- * available for posix shells: bash, zsh, sh, ash, dash, busybox
@@ -1900,8 +1900,7 @@ if [ "$TERM" != "dumb" ] && command -v fzf >/dev/null 2>&1; then
 	# To redraw line after fzf closes (printf '\e[5n')
 	bind '"\e[0n": redraw-current-line'
 	_zlua_fzf_complete() {
-		local query="${COMP_WORDS[COMP_CWORD]}"
-		local selected=$(_zlua | sed "s|$HOME|\~|" | $zlua_fzf --query "$query" | sed 's/^[0-9,.]* *//')
+		local selected=$(_zlua -l "${COMP_WORDS[@]:1}" | sed "s|$HOME|\~|" | $zlua_fzf | sed 's/^[0-9,.]* *//')
 		if [ -n "$selected" ]; then
 			COMPREPLY=( "$selected" )
 		fi