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Top Forums UNIX for Dummies Questions & Answers Unix "look" Command "File too large" Error Message Post 302516034 by shishong on Thursday 21st of April 2011 01:22:30 PM
Old 04-21-2011
Unix "look" Command "File too large" Error Message

I am trying to find lines in a text file larger than 3 Gb that start with a given string. My command looks like this:

$ look "string" "/home/patrick/filename.txt"


However, this gives me the following message:

"look: /home/patrick/filename.txt: File too large"


So, I have two questions.
1. How can I make this work with the "look" command and not any other commands such as "grep"?
2. If I were to use "grep", would it take longer than using "look", provided that I can somehow get "look" to work on this large file.

Thanks!
 

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Mail::Box::Mbox::Message(3pm)				User Contributed Perl Documentation			     Mail::Box::Mbox::Message(3pm)

NAME
Mail::Box::Mbox::Message - one message in a Mbox folder INHERITANCE
Mail::Box::Mbox::Message is a Mail::Box::File::Message is a Mail::Box::Message is a Mail::Message is a Mail::Reporter SYNOPSIS
my $folder = new Mail::Box::Mbox folder => $ENV{MAIL}, ...; my $message = $folder->message(0); DESCRIPTION
Maintain one message in an Mail::Box::Mbox folder. METHODS
Constructors $obj->clone(OPTIONS) See "Constructors" in Mail::Message Mail::Box::Mbox::Message->new(OPTIONS) See "METHODS" in Mail::Box::File::Message Constructing a message $obj->bounce([RG-OBJECT|OPTIONS]) See "Constructing a message" in Mail::Message::Construct::Bounce Mail::Box::Mbox::Message->build([MESSAGE|PART|BODY], CONTENT) See "Constructing a message" in Mail::Message::Construct::Build Mail::Box::Mbox::Message->buildFromBody(BODY, [HEAD], HEADERS) See "Constructing a message" in Mail::Message::Construct::Build $obj->forward(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardAttach(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardEncapsulate(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardInline(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardNo(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardPostlude() See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardPrelude() See "Constructing a message" in Mail::Message::Construct::Forward $obj->forwardSubject(STRING) See "Constructing a message" in Mail::Message::Construct::Forward Mail::Box::Mbox::Message->read(FILEHANDLE|SCALAR|REF-SCALAR|ARRAY-OF-LINES, OPTIONS) See "Constructing a message" in Mail::Message::Construct::Read $obj->rebuild(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Rebuild $obj->reply(OPTIONS) See "Constructing a message" in Mail::Message::Construct::Reply $obj->replyPrelude([STRING|FIELD|ADDRESS|ARRAY-OF-THINGS]) See "Constructing a message" in Mail::Message::Construct::Reply $obj->replySubject(STRING) Mail::Box::Mbox::Message->replySubject(STRING) See "Constructing a message" in Mail::Message::Construct::Reply The message $obj->container() See "The message" in Mail::Message $obj->copyTo(FOLDER, OPTIONS) See "The message" in Mail::Box::Message $obj->escapedBody() See "The message" in Mail::Box::File::Message $obj->folder([FOLDER]) See "The message" in Mail::Box::Message $obj->fromLine([LINE]) See "The message" in Mail::Box::File::Message $obj->isDummy() See "The message" in Mail::Message $obj->isPart() See "The message" in Mail::Message $obj->messageId() See "The message" in Mail::Message $obj->moveTo(FOLDER, OPTIONS) See "The message" in Mail::Box::Message $obj->print([FILEHANDLE]) See "The message" in Mail::Message $obj->send([MAILER], OPTIONS) See "The message" in Mail::Message $obj->seqnr([INTEGER]) See "The message" in Mail::Box::Message $obj->size() See "The message" in Mail::Message $obj->toplevel() See "The message" in Mail::Message $obj->write([FILEHANDLE]) See "METHODS" in Mail::Box::File::Message The header $obj->bcc() See "The header" in Mail::Message $obj->cc() See "The header" in Mail::Message $obj->date() See "The header" in Mail::Message $obj->destinations() See "The header" in Mail::Message $obj->from() See "The header" in Mail::Message $obj->get(FIELDNAME) See "The header" in Mail::Message $obj->guessTimestamp() See "The header" in Mail::Message $obj->head([HEAD]) See "The header" in Mail::Message $obj->nrLines() See "The header" in Mail::Message $obj->sender() See "The header" in Mail::Message $obj->study(FIELDNAME) See "The header" in Mail::Message $obj->subject() See "The header" in Mail::Message $obj->timestamp() See "The header" in Mail::Message $obj->to() See "The header" in Mail::Message The body $obj->body([BODY]) See "The body" in Mail::Message $obj->contentType() See "The body" in Mail::Message $obj->decoded(OPTIONS) See "The body" in Mail::Message $obj->encode(OPTIONS) See "The body" in Mail::Message $obj->isMultipart() See "The body" in Mail::Message $obj->isNested() See "The body" in Mail::Message $obj->parts(['ALL'|'ACTIVE'|'DELETED'|'RECURSE'|FILTER]) See "The body" in Mail::Message Flags $obj->delete() See "Flags" in Mail::Message $obj->deleted([BOOLEAN]) See "Flags" in Mail::Message $obj->isDeleted() See "Flags" in Mail::Message $obj->isModified() See "Flags" in Mail::Message $obj->label(LABEL|PAIRS) See "Flags" in Mail::Message $obj->labels() See "Flags" in Mail::Message $obj->labelsToStatus() See "Flags" in Mail::Message $obj->modified([BOOLEAN]) See "Flags" in Mail::Message $obj->statusToLabels() See "Flags" in Mail::Message The whole message as text $obj->file() See "The whole message as text" in Mail::Message::Construct::Text $obj->lines() See "The whole message as text" in Mail::Message::Construct::Text $obj->printStructure([FILEHANDLE|undef],[INDENT]) See "The whole message as text" in Mail::Message::Construct::Text $obj->string() See "The whole message as text" in Mail::Message::Construct::Text Internals $obj->clonedFrom() See "Internals" in Mail::Message Mail::Box::Mbox::Message->coerce(MESSAGE, OPTIONS) See "Internals" in Mail::Message $obj->diskDelete() See "Internals" in Mail::Box::Message $obj->fileLocation() See "Internals" in Mail::Box::File::Message $obj->isDelayed() See "Internals" in Mail::Message $obj->loadBody() See "Internals" in Mail::Box::File::Message $obj->moveLocation(DISTANCE) See "Internals" in Mail::Box::File::Message $obj->readBody(PARSER, HEAD [, BODYTYPE]) See "Internals" in Mail::Box::Message $obj->readFromParser(PARSER) See "Internals" in Mail::Box::File::Message $obj->readHead(PARSER [,CLASS]) See "Internals" in Mail::Message $obj->recursiveRebuildPart(PART, OPTIONS) See "Internals" in Mail::Message::Construct::Rebuild $obj->storeBody(BODY) See "Internals" in Mail::Message $obj->takeMessageId([STRING]) See "Internals" in Mail::Message Error handling $obj->AUTOLOAD() See "METHODS" in Mail::Message::Construct $obj->addReport(OBJECT) See "Error handling" in Mail::Reporter $obj->defaultTrace([LEVEL]|[LOGLEVEL, TRACELEVEL]|[LEVEL, CALLBACK]) Mail::Box::Mbox::Message->defaultTrace([LEVEL]|[LOGLEVEL, TRACELEVEL]|[LEVEL, CALLBACK]) See "Error handling" in Mail::Reporter $obj->errors() See "Error handling" in Mail::Reporter $obj->log([LEVEL [,STRINGS]]) Mail::Box::Mbox::Message->log([LEVEL [,STRINGS]]) See "Error handling" in Mail::Reporter $obj->logPriority(LEVEL) Mail::Box::Mbox::Message->logPriority(LEVEL) See "Error handling" in Mail::Reporter $obj->logSettings() See "Error handling" in Mail::Reporter $obj->notImplemented() See "Error handling" in Mail::Reporter $obj->report([LEVEL]) See "Error handling" in Mail::Reporter $obj->reportAll([LEVEL]) See "Error handling" in Mail::Reporter $obj->shortSize([VALUE]) Mail::Box::Mbox::Message->shortSize([VALUE]) See "Error handling" in Mail::Message $obj->shortString() See "Error handling" in Mail::Message $obj->trace([LEVEL]) See "Error handling" in Mail::Reporter $obj->warnings() See "Error handling" in Mail::Reporter Cleanup $obj->DESTROY() See "Cleanup" in Mail::Message $obj->destruct() See "Cleanup" in Mail::Box::Message $obj->inGlobalDestruction() See "Cleanup" in Mail::Reporter DIAGNOSTICS
Error: Cannot coerce a $class object into a $class object Error: Cannot include forward source as $include. Unknown alternative for the forward(include). Valid choices are "NO", "INLINE", "ATTACH", and "ENCAPSULATE". Error: Cannot include reply source as $include. Unknown alternative for the "include" option of reply(). Valid choices are "NO", "INLINE", and "ATTACH". Error: Method bounce requires To, Cc, or Bcc The message bounce() method forwards a received message off to someone else without modification; you must specified it's new destination. If you have the urge not to specify any destination, you probably are looking for reply(). When you wish to modify the content, use forward(). Error: Method forwardAttach requires a preamble Error: Method forwardEncapsulate requires a preamble Error: No address to create forwarded to. If a forward message is created, a destination address must be specified. Error: No default mailer found to send message. The message send() mechanism had not enough information to automatically find a mail transfer agent to sent this message. Specify a mailer explicitly using the "via" options. Error: No rebuild rule $name defined. Error: Only build() Mail::Message's; they are not in a folder yet You may wish to construct a message to be stored in a some kind of folder, but you need to do that in two steps. First, create a normal Mail::Message, and then add it to the folder. During this Mail::Box::addMessage() process, the message will get coerce()-d into the right message type, adding storage information and the like. Error: Package $package does not implement $method. Fatal error: the specific package (or one of its superclasses) does not implement this method where it should. This message means that some other related classes do implement this method however the class at hand does not. Probably you should investigate this and probably inform the author of the package. Error: Unable to read delayed body. Error: coercion starts with some object SEE ALSO
This module is part of Mail-Box distribution version 2.105, built on May 07, 2012. Website: http://perl.overmeer.net/mailbox/ LICENSE
Copyrights 2001-2012 by [Mark Overmeer]. For other contributors see ChangeLog. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html perl v5.14.2 2012-05-07 Mail::Box::Mbox::Message(3pm)
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