From 413747da51cf1bffd820f1b07cdd036e584618b5 Mon Sep 17 00:00:00 2001
From: Linchenguang <1573453077@qq.com>
Date: Sat, 14 Jun 2014 17:01:30 +0800
Subject: [PATCH] =?UTF-8?q?[=E7=BF=BB=E8=AF=91=E5=AE=8C=E6=88=90]Linux--Ba?=
 =?UTF-8?q?sh=20Delete=20All=20Files=20In=20Directory=20Except=20Few?=
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->> chenguang is translating 
-
-Linux: Bash Delete All Files In Directory Except Few
-================================================================================
-![](http://s0.cyberciti.org/images/category/old/terminal.png)
-
-I'm a new Linux system user. I need to cleanup in a download directory i.e. delete all files from ~/Downloads/ folders except the following types:
-
-*.iso - All iso images files.
-*.zip - All zip files.
-
-How do I delete all file except some in bash shell on a Linux, OS X or Unix-like systems?
-
-Bash shell supports rich file pattern matching such as follows:
-
-- * - Match any files.
-- ? - Matches any single character in filenames.
-- [...] - Matches any one of the enclosed characters.
-
-### Method #1: Say hello to extended pattern matching operators ###
-
-You need to use the extglob shell option using the shopt builtin command to use extended pattern matching operators such as:
-
-1. ?(pattern-list) - Matches zero or one occurrence of the given patterns.
-1. *(pattern-list) - Matches zero or more occurrences of the given patterns.
-1. +(pattern-list) - Matches one or more occurrences of the given patterns.
-1. @(pattern-list) - Matches one of the given patterns.
-1. !(pattern-list) - Matches anything except one of the given patterns.
-
-A pattern-list is nothing but a list of one or more patterns (filename) separated by a |. First, turn on extglob option:
-
-    shopt -s extglob
- 
-#### Bash remove all files except *.zip and *.iso files ####
-
-The rm command syntax is:
-
-    ## Delete all file except file1 ##
-    rm  !(file1)
-     
-    ## Delete all file except file1 and file2 ##
-    rm  !(file1|file2)
-     
-    ## Delete all file except all zip files ##
-    rm  !(*.zip)
-     
-    ## Delete all file except all zip and iso files ##
-    rm  !(*.zip|*.iso)
-     
-    ## You set full path too ##
-    rm /Users/vivek/!(*.zip|*.iso|*.mp3)
-     
-    ## Pass options ##
-    rm [options]  !(*.zip|*.iso)
-    rm -v  !(*.zip|*.iso)
-    rm -f  !(*.zip|*.iso)
-    rm -v -i  !(*.php)
- 
-Finally, turn off extglob option:
-
-    shopt -u extglob
- 
-### Method #2: Using bash GLOBIGNORE variable to remove all files except specific ones ###
-
-From the [bash(1)][1] page:
-
-> A colon-separated list of patterns defining the set of filenames to be ignored by pathname expansion. If a filename matched by a pathname expansion pattern also matches one of the patterns in GLOBIGNORE, it is removed from the list of matches.
-
-To delete all files except zip and iso files, set GLOBIGNORE as follows:
-
-    ## only works with BASH ##
-    cd ~/Downloads/
-    GLOBIGNORE=*.zip:*.iso
-    rm -v *
-    unset GLOBIGNORE
- 
-### Method #3: Find command to rm all files except zip and iso files ###
-
-If you are using tcsh/csh/sh/ksh or any other shell, try the following find command syntax on a Unix-like system to delete files:
-
-    find /dir/ -type f -not -name 'PATTERN' -delete
- 
-OR
-
-    ## deals with weird file names using xargs ##
-    find /dir/ -type f -not -name 'PATTERN' -print0 | xargs -0 -I {} rm {}
-    find /dir/ -type f -not -name 'PATTERN' -print0 | xargs -0 -I {} rm [options] {}
- 
-To delete all files except php files in ~/sources/ directory, type:
-
-    find ~/sources/ -type f -not -name '*.php' -delete
-
-OR
-
-    find ~/sources/ -type f -not -name '*.php' -print0 | xargs -0 -I {} rm -v {}
- 
-The syntax to delete all files except *.zip and *.iso is as follows:
-
-    find . -type f -not \( -name '*zip' -or -name '*iso' \) -delete
- 
-For more information see [bash command man page][1] and [find command man page][2].
-
---------------------------------------------------------------------------------
-
-via: http://www.cyberciti.biz/faq/linux-bash-delete-all-files-in-directory-except-few/
-
-译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
-
-本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
-
-[1]:http://www.manpager.com/linux/man1/bash.1.html
-[2]:http://www.manpager.com/linux/man1/find.1.html
diff --git a/translated/tech/20140607 Linux--Bash Delete All Files In Directory Except Few.md b/translated/tech/20140607 Linux--Bash Delete All Files In Directory Except Few.md
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+Linux：使用bash删除目录中的特定文件
+================================================================================
+![](http://s0.cyberciti.org/images/category/old/terminal.png)
+
+我是一个Linux新手用户。现在我需要清理一个下载目录中的文件，其实我就是想删除～/Download/文件夹下面除了以下格式的文件外所以其它文件：
+*.iso - 所有的iso格式的文件。
+*.zip - 所有zip格式的文件。
+
+我如何在一个基于Linux，OS X 或者Unix-like系统上的bash shell中删除特定的文件呢？
+
+Bash shell 支持丰富的文件模式匹配符例如：
+
+- * － 匹配所有的文件。
+- ？ － 匹配文件名中的单个字母。
+- [...] － 匹配封闭括号中的任何一个字母。
+
+### 策略 #1: 见识一下扩展的模式匹配符 ###
+
+这里你需要用系统内置的shopt命令来开启shell中的extglob选项，然后你就可以使用扩展的模式符了，这些模式匹配符如下：
+
+1. ?(pattern-list) － 匹配零次或一次给定的模式。
+1. *(pattern-list) －至少匹配零次给定的模式。
+1. +(pattern-list) － 至少匹配一次给定的模式。
+1. @(pattern-list) － 匹配一次给定的模式。
+1. !(pattern-list) － 匹配所有除给定模式以外的模式。
+
+一个模式列表就是一个或多个用 | 分开的模式（文件名）。首先打开extgolb选项：
+
+    shopt -s extglob
+ 
+#### 在Bash中删掉除*.zip和*.iso文件以外的所有文件 ####
+
+rm 命令的语法格式为：
+
+    ## 仅保留 file1 文件 ##
+    rm  !(file1)
+     
+    ## 仅保留 file1 和 file2 文件## 
+    rm  !(file1|file2)
+     
+    ## 仅保留 zip 文件 ##
+    rm  !(*.zip)
+     
+    ## 仅保留 zip 和 iso 文件 ##
+    rm  !(*.zip|*.iso)
+
+    ## 你也可以使用完整的目录 ##
+    rm /Users/vivek/!(*.zip|*.iso|*.mp3)
+     
+    ## 传递参数 ##
+    rm [options]  !(*.zip|*.iso)
+    rm -v  !(*.zip|*.iso)
+    rm -f  !(*.zip|*.iso)
+    rm -v -i  !(*.php)
+
+最后，关闭 extglob 选项：
+
+    shopt -u extglob
+ 
+### 策略 #2: 使用bash的 GLOBIGNORE 变量删除指定文件以外的所有文件 ###
+
+摘自 [bash(1)][1] 手册页:
+> 一个用冒号分开的模式列表定义了被路径扩展忽略的文件的集合。如果一个文件同时与路径扩展模式和GLOBIGNORE中的模式匹配，那么它就从匹配列表中移除了。
+
+要删除所有文件只保留 zip 和 iso 文件，应如下设置 GLOBIGNORE：
+
+    ## 只在 BASH 中可行 ##
+    cd ~/Downloads/
+    GLOBIGNORE=*.zip:*.iso
+    rm -v *
+    unset GLOBIGNORE
+ 
+### 策略 #3: 用 find 命令删除所有其它文件仅保留 zip 和 iso 文件 ###
+
+
+如果你正在使用 tcsh/csh/sh/ksh 或者其它shell，你可以在Unix－like系统上试着用下面find命令的语法格式来删除文件：
+
+    find /dir/ -type f -not -name 'PATTERN' -delete
+ 
+或者
+
+    ## 对于怪异的文件名可以使用 xargs ##
+    find /dir/ -type f -not -name 'PATTERN' -print0 | xargs -0 -I {} rm {}
+    find /dir/ -type f -not -name 'PATTERN' -print0 | xargs -0 -I {} rm [options] {}
+ 
+
+为了删除 ～/source 目录下除 php 以外的文件，键入：
+
+    find ~/sources/ -type f -not -name '*.php' -delete
+
+或者
+
+    find ~/sources/ -type f -not -name '*.php' -print0 | xargs -0 -I {} rm -v {}
+ 
+只保留 *.zip 和 *.iso 文件的语法如下：
+
+    find . -type f -not \( -name '*zip' -or -name '*iso' \) -delete
+ 
+
+更多信息参见[bash command man page][1]和[find command man page][2]。
+
+--------------------------------------------------------------------------------
+
+via: http://www.cyberciti.biz/faq/linux-bash-delete-all-files-in-directory-except-few/
+
+译者：[Linchenguang](https://github.com/Linchenguang) 校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
+
+[1]:http://www.manpager.com/linux/man1/bash.1.html
+[2]:http://www.manpager.com/linux/man1/find.1.html