update readme for v0.9.0

Author: shenwei356

README.md

@@ -110,22 +110,22 @@ Or use [mamba](https://mamba.readthedocs.io/en/latest/installation/mamba-install
 
 #### Method 1: Download binaries
 
-[rush v0.8.0](https://github.com/shenwei356/rush/releases/tag/v0.8.0)
-[![Github Releases (by Release)](https://img.shields.io/github/downloads/shenwei356/rush/v0.8.0/total.svg)](https://github.com/shenwei356/rush/releases/tag/v0.8.0)
+[rush v0.9.0](https://github.com/shenwei356/rush/releases/tag/v0.9.0)
+[![Github Releases (by Release)](https://img.shields.io/github/downloads/shenwei356/rush/v0.9.0/total.svg)](https://github.com/shenwei356/rush/releases/tag/v0.9.0)
 
 ***Tip: run `rush -V` to check update !!!***
 
 OS     |Arch      |File,                                                                                                                           |Download Count
 :------|:---------|:-------------------------------------------------------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-Linux  |32-bit    |[rush_linux_386.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_386.tar.gz)                      |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_386.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_386.tar.gz)
-Linux  |**64-bit**|[**rush_linux_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_amd64.tar.gz)              |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_amd64.tar.gz)
-Linux  |**arm64** |[**rush_linux_arm64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_arm64.tar.gz)              |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_arm64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_linux_arm64.tar.gz)
-OS X   |**64-bit**|[**rush_darwin_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_darwin_amd64.tar.gz)            |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_darwin_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_darwin_amd64.tar.gz)
-OS X   |**arm64** |[**rush_darwin_arm64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_darwin_arm64.tar.gz)            |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_darwin_arm64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_darwin_arm64.tar.gz)
-Windows|32-bit    |[rush_windows_386.exe.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_windows_386.exe.tar.gz)          |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_windows_386.exe.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_windows_386.exe.tar.gz)
-Windows|**64-bit**|[**rush_windows_amd64.exe.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_windows_amd64.exe.tar.gz)  |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_windows_amd64.exe.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_windows_amd64.exe.tar.gz)
-FreeBSD|32-bit    |[rush_freebsd_386.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_freebsd_386.tar.gz)                  |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_freebsd_386.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_freebsd_386.tar.gz)
-FreeBSD|**64-bit**|[**rush_freebsd_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_freebsd_amd64.tar.gz)          |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_freebsd_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.8.0/rush_freebsd_amd64.tar.gz)
+Linux  |32-bit    |[rush_linux_386.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_386.tar.gz)                      |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_386.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_386.tar.gz)
+Linux  |**64-bit**|[**rush_linux_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_amd64.tar.gz)              |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_amd64.tar.gz)
+Linux  |**arm64** |[**rush_linux_arm64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_arm64.tar.gz)              |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_linux_arm64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_linux_arm64.tar.gz)
+OS X   |**64-bit**|[**rush_darwin_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_darwin_amd64.tar.gz)            |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_darwin_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_darwin_amd64.tar.gz)
+OS X   |**arm64** |[**rush_darwin_arm64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_darwin_arm64.tar.gz)            |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_darwin_arm64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_darwin_arm64.tar.gz)
+Windows|32-bit    |[rush_windows_386.exe.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_windows_386.exe.tar.gz)          |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_windows_386.exe.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_windows_386.exe.tar.gz)
+Windows|**64-bit**|[**rush_windows_amd64.exe.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_windows_amd64.exe.tar.gz)  |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_windows_amd64.exe.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_windows_amd64.exe.tar.gz)
+FreeBSD|32-bit    |[rush_freebsd_386.tar.gz](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_freebsd_386.tar.gz)                  |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_freebsd_386.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_freebsd_386.tar.gz)
+FreeBSD|**64-bit**|[**rush_freebsd_amd64.tar.gz**](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_freebsd_amd64.tar.gz)          |[![Github Releases (by Asset)](https://img.shields.io/github/downloads/shenwei356/rush/latest/rush_freebsd_amd64.tar.gz.svg?maxAge=3600)](https://github.com/shenwei356/rush/releases/download/v0.9.0/rush_freebsd_amd64.tar.gz)
 
 
 Just [download](https://github.com/shenwei356/rush/releases) compressed
@@ -177,7 +177,7 @@ And then:
 ```text
 rush -- a cross-platform command-line tool for executing jobs in parallel
 
-Version: 0.8.0
+Version: 0.9.0
 
 Author: Wei Shen <shenwei356@gmail.com>
 
@@ -203,7 +203,6 @@ Output:
 
 Replacement strings in commands:
   {}          full data
-  {#}         job ID
   {n}         nth field in delimiter-delimited data
   {/}         dirname
   {%}         basename
@@ -212,6 +211,10 @@ Replacement strings in commands:
   {^suffix}   remove suffix
   {@regexp}   capture submatch using regular expression.
               Limitation: curly brackets can't be used in the regexp.
+  {#}         job ID
+  {?}         a value computed as $cpus / $jobs, which can be used as the number of
+              threads for each command. This value is dynamically adjusted according
+              to the number of jobs (-j/--jobs).
 
   Escaping curly brackets "{}":
     {{}}        {}