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Full Discussion: Confusion over a small conditional script
Top Forums Shell Programming and Scripting Confusion over a small conditional script Post 302121327 by craigp84 on Wednesday 13th of June 2007 06:48:36 AM
Old 06-13-2007
Exactly as you've written:

Code:
num=$(/usr/bin/rsh <one_machine> -l root 'ls -d /home/user/db* 2> /dev/null' | wc -w)
if [ $num -gt 0 ]; then
log "db info: "
statement 1
statement 2
statement ... N
fi

-c
 

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LEARN ABOUT MOJAVE

ppi::statement::null

PPI::Statement::Null(3) 				User Contributed Perl Documentation				   PPI::Statement::Null(3)

NAME

       PPI::Statement::Null - A useless null statement

SYNOPSIS

	 my $foo = 1;

	 ; # <-- Null statement

	 my $bar = 1;

INHERITANCE

	 PPI::Statement::Null
	 isa PPI::Statement
	     isa PPI::Node
		 isa PPI::Element

DESCRIPTION

       "PPI::Statement::Null" is a utility class designed to handle situations where PPI encounters a naked statement separator.

       Although strictly speaking, the semicolon is a statement separator and not a statement terminator, PPI considers a semicolon to be a
       statement terminator under most circumstances.

       In any case, the null statement has no purpose, and can be safely deleted with no ill effect.

METHODS

       "PPI::Statement::Null" has no additional methods beyond the default ones provided by PPI::Statement, PPI::Node and PPI::Element.

SUPPORT

       See the support section in the main module.

AUTHOR

       Adam Kennedy <adamk@cpan.org>

COPYRIGHT

       Copyright 2001 - 2011 Adam Kennedy.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.18.2							    2011-02-25						   PPI::Statement::Null(3)
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