I think you want the status of instances of all/different applications... so you can take an array which stores the name of different applns whose instance's status you want to check and for each application you can run that command i mentioned earlier... it will be something like this...
Code:
application={"app1","app2"} #array with app names
#start of for loop
#if statement with condition to check status
#in if condn grep will be like this -> | grep ^${application[i]} i.e. i th element of appln
#end of if
#end of for
Kindly bear with the syntax... please refer to man for correct one...
Quote:
Originally Posted by saisneha
Can you please give me a example to use the loop,. I am very new to this.
I would like to grep app1, app2, xxx, yyy, 3333 etc and give the status if they are in the stop status.
Thank you,
Sai
---------- Post updated at 04:59 PM ---------- Previous update was at 10:09 AM ----------
Hi,
Can anyone help please. This code does not work for me. I neither get email not get any error.
AppInstance=(abc, def, ghi, jkl, mno, opr etc )
for i in "${AppInstance[@]}"
do
AppInstance_status='ps -ef | grep {AppInstance[i]}'
if [ -z "$AppInstance_status" ];
then
echo "App Instances are not running . $(hostname) as on $(date)"
> ~\AppInstance_status.txt
fi
done
cat ~\AppInstance_status.txt | mail -s "Alert: AppInstance status check on Production " email_address
I have the complete list of grep commands in the txt file which should run and give the output.
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Apple Location Greenland Rdsds dsds fdfd ddsads http Received Return Immediately Received End
My Grep command:
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e.
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Apple Location Greenland Rdsds dsds fdfd ddsads http Received Return Immediately Received End
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Discussion started by: penchev
1 Replies
LEARN ABOUT DEBIAN
mail::mbox::messageparser::grep
Mail::Mbox::MessageParser::Grep(3pm) User Contributed Perl Documentation Mail::Mbox::MessageParser::Grep(3pm)NAME
Mail::Mbox::MessageParser::Grep - A GNU grep-based mbox folder reader
SYNOPSIS
#!/usr/bin/perl
use Mail::Mbox::MessageParser;
my $filename = 'mail/saved-mail';
my $filehandle = new FileHandle($filename);
my $folder_reader =
new Mail::Mbox::MessageParser( {
'file_name' => $filename,
'file_handle' => $filehandle,
'enable_grep' => 1,
} );
die $folder_reader unless ref $folder_reader;
# Any newlines or such before the start of the first email
my $prologue = $folder_reader->prologue;
print $prologue;
# This is the main loop. It's executed once for each email
while(!$folder_reader->end_of_file());
{
my $email = $folder_reader->read_next_email();
print $email;
}
DESCRIPTION
This module implements a GNU grep-based mbox folder reader. It can only be used when GNU grep is installed on the system. Users must not
instantiate this class directly--use Mail::Mbox::MessageParser instead. The base MessageParser module will automatically manage the use of
grep and non-grep implementations.
METHODS AND FUNCTIONS
The following methods and functions are specific to the Mail::Mbox::MessageParser::Grep package. For additional inherited ones, see the
Mail::Mbox::MessageParser documentation.
$ref = new( { 'file_name' => <mailbox file name>, 'file_handle' => <mailbox file handle> });
<file_name> - The full filename of the mailbox
<file_handle> - An opened file handle for the mailbox
The constructor for the class takes two parameters. The file_name parameter is the filename of the mailbox. The file_handle argument is
the opened file handle to the mailbox.
Returns a reference to a Mail::Mbox::MessageParser object, or a string describing the error.
BUGS
No known bugs.
Contact david@coppit.org for bug reports and suggestions.
AUTHOR
David Coppit <david@coppit.org>.
LICENSE
This software is distributed under the terms of the GPL. See the file "LICENSE" for more information.
HISTORY
This code was originally part of the grepmail distribution. See http://grepmail.sf.net/ for previous versions of grepmail which included
early versions of this code.
SEE ALSO
Mail::Mbox::MessageParser
perl v5.10.1 2009-08-09 Mail::Mbox::MessageParser::Grep(3pm)