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Full Discussion: Need help on output
Top Forums Shell Programming and Scripting Need help on output Post 302551783 by Corona688 on Wednesday 31st of August 2011 02:59:21 PM
Old 08-31-2011
BASH does not support numbers with decimal places.

You can get the CPU use for the last minute much, much, much easier than top | awk | sed | cut | grep | kitchen | sink. The first three tokens from /proc/loadavg are the load average for the last minute, the last 5 minutes, and the last hour.
Code:
# Read all the stuff we want from /proc/loadavg
read LASTMIN LAST5MIN LASTHOUR OTHERSTUFF </proc/loadavg

# Convert 0.90 into 90.
#
# The shell interprets leading zeros as OCTAL, so we can't just feed 090 into
# it and get a sane result.  We shove a 1 onto the front to get 1090, then
# subtract 1000.
LASTMIN=$((1${LASTMIN/./} - 1000))

if [ "$LASTMIN" -gt 50 ]
then
        echo "Load average for last 5 minutes higher than 5.0"
fi

 

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LEARN ABOUT DEBIAN

installsieve

INSTALLSIEVE(1) 					      General Commands Manual						   INSTALLSIEVE(1)

 *

NAME

       installsieve - user utility for managing sieve scripts

SYNOPSIS

       installsieve

DESCRIPTION

       installsieve is a utility that allows users to manage their sieve scripts kept on the server.

OPTIONS

       -v <name> View script with the given name. The script if retrieved sucessfully is output to standard output.

       -l  List  all  of  the scripts currently on the server. If one of the scripts is active a arrow is printed indicating that it is the active
       script.

       -p <port> Port to connect to. If left off this defaults to "sieve" as defined in /etc/services.

       -i <file> Install a file onto the server. If a script with the same name already exists on the server it is overwritten.  Upon  sucessfully
       putting	the  script on the server the script is set active. If <file> has the extension .script it is chopped when put on the server since
       sieve names may not contain a '.'.

       -a <name> Set <name> as the active script. The list of available names can be obtained from the '-l' option..

       -d <name> Delete the sieve script on the server with <name>.

       -m <mechanism> Force installsieve to use <mechanism> for authentication. If not specified the strongest authentication mechanism is chosen.

       -g <name> Get the sieve script with <name> and save it to disk with a ".script" extension. If a file with that name already  exists  it	is
       overwritten.

       -u <user> Userid/Authname to use for authentication; by default, the current user.

CMU
								   Project Cyrus						   INSTALLSIEVE(1)
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