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Top Forums Shell Programming and Scripting Help--understanding the script Post 302832955 by gnnsprapa on Tuesday 16th of July 2013 03:42:00 AM
Old 07-16-2013
Help--understanding the script

Hi,
New to this forum, as well as to unix scripting..need help to understand below script ...

Code:
sendNotice_sp()
{
ATTACH=${LNXLOG:-}
if [ ! -z ${ATTACH} ]; then
if [ -f $ATTACH ]; then
mail -s "$ERR_MSG" $ERR_EMAIL_TO < $ATTACH 
fi
else
mail -s "$ERR_MSG" $ERR_EMAIL_TO < /dev/null 
fi
}

afaik this is sm kind of function..please helpSmilie
 

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

NAME
Mail::Box::Net::Message - one message from a distant folder INHERITANCE
Mail::Box::Net::Message is a Mail::Box::Message is a Mail::Message is a Mail::Reporter Mail::Box::Net::Message is extended by Mail::Box::IMAP4::Message Mail::Box::POP3::Message SYNOPSIS
my $folder = new Mail::Box::POP3 ... my $message = $folder->message(10); DESCRIPTION
A Mail::Box::Net::Message represents one message in a folder which can only be accessed via some kind of protocol. On this moment, only a POP3 client is available. IMAP, DBI, and NNTP are other candidates. METHODS
Constructors $obj->clone(OPTIONS) See "Constructors" in Mail::Message Mail::Box::Net::Message->new(OPTIONS) -Option --Defined in --Default body Mail::Message undef body_type Mail::Box::Message <from folder> deleted Mail::Message <false> field_type Mail::Message undef folder Mail::Box::Message <required> head Mail::Message undef head_type Mail::Message Mail::Message::Head::Complete labels Mail::Message {} log Mail::Reporter 'WARNINGS' messageId Mail::Message undef modified Mail::Message <false> size Mail::Box::Message undef trace Mail::Reporter 'WARNINGS' trusted Mail::Message <false> unique <unique string> body => OBJECT body_type => CODE|CLASS deleted => BOOLEAN field_type => CLASS folder => FOLDER head => OBJECT head_type => CLASS labels => ARRAY|HASH log => LEVEL messageId => STRING modified => BOOLEAN size => INTEGER trace => LEVEL trusted => BOOLEAN unique => STRING The unique keys which identifies this message on the remote server. Constructing a message $obj->bounce([RG-OBJECT|OPTIONS]) See "Constructing a message" in Mail::Message::Construct::Bounce Mail::Box::Net::Message->build([MESSAGE|PART|BODY], CONTENT) See "Constructing a message" in Mail::Message::Construct::Build Mail::Box::Net::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::Net::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::Net::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->folder([FOLDER]) See "The message" in Mail::Box::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->unique([STRING|undef]) Returns the name of the file in which this message is actually stored. This will return "undef" when the message is not stored in a file. When a STRING is specified, a new identifier is stored first. $obj->write([FILEHANDLE]) See "The message" in Mail::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::Net::Message->coerce(MESSAGE, OPTIONS) See "Internals" in Mail::Message $obj->diskDelete() See "Internals" in Mail::Box::Message $obj->isDelayed() See "Internals" in Mail::Message $obj->loadBody() $obj->readBody(PARSER, HEAD [, BODYTYPE]) See "Internals" in Mail::Box::Message $obj->readFromParser(PARSER, [BODYTYPE]) See "Internals" in Mail::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::Net::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::Net::Message->log([LEVEL [,STRINGS]]) See "Error handling" in Mail::Reporter $obj->logPriority(LEVEL) Mail::Box::Net::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::Net::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: Unable to read delayed head. 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 2012-05-10 Mail::Box::Net::Message(3pm)
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