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Full Discussion: Interpreting java output stream as system commands in Solaris
Top Forums UNIX for Dummies Questions & Answers Interpreting java output stream as system commands in Solaris Post 302127584 by EugeneG on Wednesday 18th of July 2007 05:07:54 PM
Old 07-18-2007
Interpreting java output stream as system commands in Solaris
Hi there again,

Running Solaris 10 with built-in Java. Seems to compile and run fine.

Problem is: Say I want to see contents of current directory. In a shell, I'd just write "ls" and it outputs the content.

When I write a Java file, I have the following line:

System.out.println("ls");

But when I run the file, what it does is echo "ls" itself to the screen, instead of sending it to the shell as a command (so instead of seeing directory contents all I see is the text "ls"). What should I change the above line to, so that "ls" is sent to the shell as a command, instead of just echoed?
 

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LEARN ABOUT MOJAVE

native2ascii

native2ascii(1) 					      General Commands Manual						   native2ascii(1)

NAME

       native2ascii - native to ASCII converter

SYNOPSIS

       native2ascii [ options ]
	    [ inputfile [outputfile]]

DESCRIPTION

       The  Java  compiler  and  other	Java  tools  can  only process files that contain Latin-1 or Unicode-encoded (udddd notation) characters.
       native2ascii converts files that contain other character encoding into files containing Latin-1 or Unicode-encoded charaters.

       If outputfile is omitted, standard output is used for output.  In addition, if inputfile is omitted, standard input is used for input.

OPTIONS

       The following options are supported:

       -encoding encoding_name
	    Specifies the encoding name that is used by the conversion procedure.  The default encoding is taken from system property  file.encod-
	    ing.   The encoding_name string must be one taken from the first column of the table of supported encodings in the Supported Encodings
	    document:

	    http://java.sun.com/j2se/1.5/docs/guide/intl/encoding.doc.html

       -reverse
	    Performs the reverse operation: converts a file with Latin-1 or Unicode-encoded characters to one with native-encoded characters.

       -Joption       Pass option to the Java virtual machine, where option is one of the options described on the man page for the java  applica-
		      tion  launcher, java(1). For example, -J-Xms48m sets the startup memory to 48 megabytes. It is a common convention for -J to
		      pass options to the underlying virtual machine.

								    22 Jun 2004 						   native2ascii(1)
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