Check if a variable has a value assigned? Post: 302312844

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LEARN ABOUT DEBIAN

cfetoolinfo

CFETOOLINFO(8)						User Contributed Perl Documentation					    CFETOOLINFO(8)

NAME

       cfetoolinfo - Get information about a database

SYNOPSIS

       cfetool info name [--path|-p directory name] [--daily|-d] [--weekly|-w] [--yearly|-y] [--verbose|-v] [--help|-h]

DESCRIPTION

       Prints out some basic information about the specified database, including: the location of the database, the location of the histogram file
       (if there is one), the step interval, the database age, the time it was last updated, and the current overall average and variation.

OPTIONS

       --path|-p directory name
	   The directory in which to find the database folder. If this argument is not provided, the current working directory will be assumed.

       --daily|-d
	   Provide information about the daily averages database.

       --weekly|-w
	   Provide information about the weekly averages database.

       --yearly|-y
	   Provide information about the yearly averages database.

       --verbose|-v
	   Print details of the command's execution to the standard output stream.

       --help|-h
	   Prints a short help message and then exits.

EXAMPLE

	 % cfetool info temperature --path /my/path

	Weekly average database:
	Database Location: /my/path/temperature/weekly.db
	Histogram file: /my/path/temperature/weekly.hist
	Step: 10 minutes
	Database Age: 0.000992 weeks (1 steps)
	Last update: Mon Sep 13 16:20:40 2004 (1095117640)
	Current average: 7.105000, Var: 38.280217

AUTHORS

       The code and documentation were contributed by Stanford Linear Accelerator Center, a department of Stanford University.	This documentation
       was written by

       Elizabeth Cassell <e_a_c@mailsnare.net> and
       Alf Wachsmann <alfw@slac.stanford.edu>

COPYRIGHT AND DISCLAIMER

	Copyright 2004 Alf Wachsmann <alfw@slac.stanford.edu> and
		       Elizabeth Cassell <e_a_c@mailsnare.net>
	All rights reserved.

perl v5.8.4							    2004-09-21							    CFETOOLINFO(8)

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What does $? mean when assigned to a variable?

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Can a variable assigned in a shell function be accessed outside

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Missing Assigned Variable within logic operator

Discussion started by: sexyTrojan

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[Bash] Variable won't get assigned value

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