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Shell Programming and Scripting
The efficiency between GREP and SED???
Post 302452883 by ever on Monday 13th of September 2010 09:51:46 AM
09-13-2010
The efficiency between GREP and SED???
Hello Everyone!
I am a newbie. I'd like to get key lines from a big txt file by Reg Exp, The file is nearly 22MB.
GREP or SED?which may be the best choice,more efficient way?
or any other best practise?
Thank you in advance.
Ever
I am a newbie. I'd like to get key lines from a big txt file by Reg Exp, The file is nearly 22MB.
GREP or SED?which may be the best choice,more efficient way?
or any other best practise?
Thank you in advance.
Ever
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LEARN ABOUT SUSE
mail::spf::mod::exp
Mail::SPF::Mod::Exp(3) User Contributed Perl Documentation Mail::SPF::Mod::Exp(3) NAME
Mail::SPF::Mod::Exp - SPF record "exp" modifier class DESCRIPTION
An object of class Mail::SPF::Mod::Exp represents an SPF record modifier of type "exp". Constructors The following constructors are provided: new(%options): returns Mail::SPF::Mod::Exp Creates a new SPF record "exp" modifier object. %options is a list of key/value pairs representing any of the following options: domain_spec See "new" in Mail::SPF::Mod. new_from_string($text, %options): returns Mail::SPF::Mod::Exp; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidMod Creates a new SPF record "exp" modifier object by parsing the string and any options given. Class methods The following class methods are provided: name: returns string Returns 'exp'. name_pattern: returns Regexp Returns a regular expression that matches a modifier name of 'exp'. precedence: returns real Returns a precedence value of 0.2. See "precedence" in Mail::SPF::Mod. Instance methods The following instance methods are provided: params See "params" in Mail::SPF::Mod. domain_spec: returns Mail::SPF::MacroString Returns the "domain-spec" parameter of the modifier. process($server, $request, $result) If the given SPF result is a "fail" result, retrieves the authority domain's explanation string from the modifier's target domain and attaches it to the SPF result. If an error occurs during the retrieval of the explanation string, does nothing, as if the modifier was not present. See RFC 4408, 6.2, for details. See Mail::SPF::Mod for other supported instance methods. SEE ALSO
Mail::SPF, Mail::SPF::Mod, Mail::SPF::Term, Mail::SPF::Record <http://www.ietf.org/rfc/rfc4408.txt> For availability, support, and license information, see the README file included with Mail::SPF. AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org> perl v5.12.1 2010-07-05 Mail::SPF::Mod::Exp(3)