jump backwards

Author: skywind3000

README.md

@@ -323,6 +323,7 @@ If you want `zb` jump back to a parent directory contains a `.root` or `package.
 
 **Bonus**: `zb ..` equals to `cd ..`, `zb ...` equals to `cd ../..` and `zb ....` equals to `cd ../../..`, and so on. Finally, `zb ..20` equals to `cd (..)x20`.
 
+**Bonus**: try `zb -i` and `zb -I` and you can alias them to `zbi` and `zbf`.
 
 ## Completion
 
@@ -459,6 +460,7 @@ As you see, z.lua is the fastest one and requires less resource.
 
 ## History
 
+- 1.8.1 (2020-02-09): new: `z -b -i` and `z -b -I` to jump backwards in interactive mode.
 - 1.7.4 (2019-12-29): new: `$_ZL_HYPHEN` to treat hyphen as a normal character, see [here](https://github.com/skywind3000/z.lua/wiki/FAQ#how-to-input-a-hyphen---in-the-keyword-).
 - 1.7.3 (2019-09-07): use [lua-filesystem](http://keplerproject.github.io/luafilesystem/) package if possible when `$_ZL_USE_LFS` is `1`.
 - 1.7.2 (2019-08-01): Improve bash/zsh shell compatibility by [@barlik](https://github.com/barlik).

z.lua.plugin.zsh

@@ -29,6 +29,8 @@ if [[ -z "$_ZL_NO_ALIASES" ]]; then
   alias zc='z -c'
   alias zf='z -I'
   alias zb='z -b'
+  alias zbi='z -b -i'
+  alias zbf='z -b -I'
   alias zh='z -I -t .'
   alias zzc='zz -c'
 fi