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Full Discussion: Riddle - solve it if you can
Top Forums Shell Programming and Scripting Riddle - solve it if you can Post 302132137 by numstr on Wednesday 15th of August 2007 12:29:31 PM
Old 08-15-2007
Riddle - solve it if you can
I don't understand this, can anyone explain the evaluation logic used here, and I would really appreciate a general explanation for it.
----------------------
Here's the korn script:
--------------------
#! /usr/bin/ksh
if [[ 2 > 10 ]]
then
echo true
else
echo false
fi

if (( 2 > 10 ))
then
echo true
else
echo false
fi
-------------------
And the output is:
------------------
true
false

Why is the output like that? How is 10 > 2 even when evaluated as a string (giving me true)?

Thanks!
 

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LEARN ABOUT SUNOS

asadmin-start-domain

asadmin-start-domain(1AS)					   User Commands					 asadmin-start-domain(1AS)

NAME

       asadmin-start-domain, start-domain - starts the given domain

SYNOPSIS

       start-domain [--domaindir install_dir/domains] [--terse=false] [--echo=false] [--verbose=false] [--debug] [domain_name]

       start-domain  starts the specified domain. If there is only one domain in the default domain directory (install_dir/domains), then no oper-
       and is required to start the domain. However, if there is more than one domain, the domain operand must be specified. This command can only
       be run locally.

OPTIONS

       --domaindir	       directory where the domain is to be started. If specified, path must be accessible in the filesystem. If not speci-
			       fied, the domain is started in the default install_dir/domains directory.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script. Default is false.

       --echo		       setting to true will echo the command line statement on the standard output. Default is false.

       --verbose	       by  default this flag is set to false. If set to true, detailed server startup output is displayed. Press CTRL-C to
			       kill the server. Press CTRL- to print a thread dump.

       --debug		       by default this flag is set to false. If set to true, the server is started in debug mode and prints the JPDA  port
			       on the console.

OPERANDS

       domain_name	       name of the domain. Must be a unique name.

       Example 1: Using start-domain

       asadmin> start-domain sampleDomain
       Starting Domain sampleDomain, please wait.
       Domain sampleDomain started

       Where: the sampleDomain domain is started.

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-domain(1AS), asadmin-delete-domain(1AS), asadmin-stop-domain(1AS), asadmin-list-domains(1AS)

J2EE 1.4 SDK							    March 2004						 asadmin-start-domain(1AS)
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