Helm's Technology Blog » grep http://www.ihelm.org.uk Linux Servers, Cpanel and Mysql along with my own tech thoughts Sun, 29 Aug 2010 10:50:00 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Using Grep to find a string inside a file (Linux) http://www.ihelm.org.uk/2009/07/using-grep-to-find-a-string-inside-a-file-linux/ http://www.ihelm.org.uk/2009/07/using-grep-to-find-a-string-inside-a-file-linux/#comments Thu, 09 Jul 2009 20:00:08 +0000 admin http://www.ihelm.org.uk/?p=76 Grep is a tool that is used often by system administrators – including myself, however I often have to double check the syntax online – as a result this post is to help me find out how and you of course.

first I recommend to change to the directory that you think or know the file containing the text is in:

  • To find the string michael in any file type “grep michael *         #this will return a the files if any are found within the directory
  • To find the string michael in any file and search recusively in directories under where you are type  ”grep -R michael *”

Grep is one of the best tools available to an administrator especially for checking log files out and finding regular patterns.

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