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Old 11-14-2007, 02:49 AM   #1
KumARan23
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singnificance of the sybols ^ $ { } [] ?


where to find the meaning of the symbols used in the grep command
like ^ {} [] $
what that it means?
sometime it comes {1,5}
is that range?
 
Old 11-14-2007, 03:02 AM   #2
acid_kewpie
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they are part of regular expression syntax, so read up on that through google, for example {1,5} means between 1 and 5 occurrences of the preceeding pattern
 
Old 11-14-2007, 08:48 AM   #3
pixellany
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http://tldp.org

Start with "Bash Guide for Beginners". Also, you can download "Advanced Bash Scripting Guide", but you won't want to print it. I keep it on the computer and use it for searches.
 
  


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