Debian和CentOS主流系统按包含文件名称搜索软件包

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　　例如在初始化cpan时遇到某些程序没有安装而导致初始化中报warning的情况，如下：

• Where is your gzip program? [/bin/gzip]  
  
• Where is your tar program? [/bin/tar]  
  
• Where is your unzip program? [/usr/bin/unzip]  
  
• Where is your make program? [/usr/bin/make]  
  
• Where is your links program? [/usr/bin/links]  
  
• Where is your wget program? [/usr/bin/wget]  
  
• Warning: ncftpget not found in PATH
  
• Where is your ncftpget program? []  
  

　　如果追求完美的话，我们可以这样操作：
在以deb包系列的操作系统中，如Debian或Ubuntu中，如果我们需要安装包含applypatch程序的软件包，我们可以这样操作：

• # apt-file search applypatch
  
• 
  
• dpsyco-lib: /usr/bin/dpsyco-applypatch
  
• 
  
• dpsyco-lib: /usr/share/man/man1/dpsyco-applypatch.1.gz
  
• 
  
• git-core: /usr/share/git-core/templates/hooks/applypatch-msg
  
• 
  
• git-core: /usr/share/git-core/templates/hooks/pre-applypatch
  
• 
  
• makepatch: /usr/bin/applypatch
  
• 
  
• makepatch: /usr/share/man/man1/applypatch.1p.gz
  

　　在以rpm包系列的操作系统中，如RedHat、CentOS等中，我们可以这样操作：

• # yum whatprovides "*/ncftpget"   
  
• Loaded plugins: downloadonly, fastestmirror
  
• Loading mirror speeds from cached hostfile
  
• * c5-media:  
  
• 2:ncftp-3.2.2-1.el5.x86_64 : Improved console FTP client
  
• Repo        : installed
  
• Matched from:
  
• Filename    : /usr/bin/ncftpget