From ef9f00aa5c568af55efc14a96962bdb606e66735 Mon Sep 17 00:00:00 2001
From: zhumengu <m.zhumeng@gmail.com>
Date: Sat, 14 Mar 2020 15:08:20 +0800
Subject: [PATCH 1/2] parent directory example

---
 bash.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bash.md b/bash.md
index 28ec038df..93c408aa4 100644
--- a/bash.md
+++ b/bash.md
@@ -138,6 +138,7 @@ See: [Parameter expansion](http://wiki.bash-hackers.org/syntax/pe)
 STR="/path/to/foo.cpp"
 echo ${STR%.cpp}    # /path/to/foo
 echo ${STR%.cpp}.o  # /path/to/foo.o
+echo ${STR%/*}      # /path/to
 
 echo ${STR##*.}     # cpp (extension)
 echo ${STR##*/}     # foo.cpp (basepath)
@@ -563,7 +564,7 @@ History
 
 ### Operations
 
-| `!!` | Execute last command again |         
+| `!!` | Execute last command again |
 | `!!:s/<FROM>/<TO>/` | Replace first occurrence of `<FROM>` to `<TO>` in most recent command |
 | `!!:gs/<FROM>/<TO>/` | Replace all occurrences of `<FROM>` to `<TO>` in most recent command |
 | `!$:t` | Expand only basename from last parameter of most recent command |

From d5683a9ddfbe25a123535ce71a8ef0ebb18e2f92 Mon Sep 17 00:00:00 2001
From: "Rico Sta. Cruz" <rstacruz@users.noreply.github.com>
Date: Sun, 14 Jun 2020 23:54:47 +1000
Subject: [PATCH 2/2] Update bash.md

---
 bash.md | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/bash.md b/bash.md
index 93c408aa4..e22af8e51 100644
--- a/bash.md
+++ b/bash.md
@@ -564,21 +564,25 @@ History
 
 ### Operations
 
-| `!!` | Execute last command again |
-| `!!:s/<FROM>/<TO>/` | Replace first occurrence of `<FROM>` to `<TO>` in most recent command |
-| `!!:gs/<FROM>/<TO>/` | Replace all occurrences of `<FROM>` to `<TO>` in most recent command |
-| `!$:t` | Expand only basename from last parameter of most recent command |
-| `!$:h` | Expand only directory from last parameter of most recent command |
+| Code                 | Description                                                           |
+| -------------------- | --------------------------------------------------------------------- |
+| `!!`                 | Execute last command again                                            |
+| `!!:s/<FROM>/<TO>/`  | Replace first occurrence of `<FROM>` to `<TO>` in most recent command |
+| `!!:gs/<FROM>/<TO>/` | Replace all occurrences of `<FROM>` to `<TO>` in most recent command  |
+| `!$:t`               | Expand only basename from last parameter of most recent command       |
+| `!$:h`               | Expand only directory from last parameter of most recent command      |
 
 `!!` and `!$` can be replaced with any valid expansion.
 
 ### Slices
 
-| `!!:n` | Expand only `n`th token from most recent command (command is `0`; first argument is `1`) |
-| `!^` | Expand first argument from most recent command |
-| `!$` | Expand last token from most recent command |
-| `!!:n-m` | Expand range of tokens from most recent command |
-| `!!:n-$` | Expand `n`th token to last from most recent command |
+| Code     | Description                                                                              |
+| -------- | ---------------------------------------------------------------------------------------- |
+| `!!:n`   | Expand only `n`th token from most recent command (command is `0`; first argument is `1`) |
+| `!^`     | Expand first argument from most recent command                                           |
+| `!$`     | Expand last token from most recent command                                               |
+| `!!:n-m` | Expand range of tokens from most recent command                                          |
+| `!!:n-$` | Expand `n`th token to last from most recent command                                      |
 
 `!!` can be replaced with any valid expansion i.e. `!cat`, `!-2`, `!42`, etc.