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execscripts.html
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<?xml version="1.0" encoding="UTF-8"?>
<html>
<head>
<title>Executable scripts under Unix</title>
</head>
<body bgcolor="ffffff">
<table cellspacing="10">
<tr>
<td align="center"><a href="http://www.beanshell.org/"><img src="images/homebutton.png" /><br />Home</a>
</td>
<td><a href="reflectivestyle.html#Reflective_Style_Access_to_Scripted_Methods"><img
src="images/backbutton.png" /><br />Back
</a></td>
<td align="center"><a href="contents.html"><img src="images/upbutton.png" /><br />Contents</a></td>
<td align="center"><a href="bsf.html#BSF_Bean_Scripting_Framework"><img
src="images/forwardbutton.png" /><br />Next
</a></td>
</tr>
</table>
<h1>Executable scripts under Unix</h1>
You can use BeanShell for writing scripts as you would any other shell
under many Unixs:
<p />
<center>
<table border="1" cellpadding="5" width="100%">
<tr>
<td bgcolor="#dfdfdc">
<pre>
#!/usr/java/bin/java bsh.Interpreter
print("foo");
</pre>
</td>
</tr>
</table>
</center>
<p />
However some flavors of Unix are more picky about what they will allow
as a shell program. For those you can use the following hack to make
your BeanShell scripts executable.
<p />
<center>
<table border="1" cellpadding="5" width="100%">
<tr>
<td bgcolor="#dfdfdc">
<pre>
#!/bin/sh
# The following hack allows java to reside anywhere in the PATH.
//bin/true; exec java bsh.Interpreter "$0" "$@"
print("foo");
</pre>
</td>
</tr>
</table>
</center>
<p />
The above trick presumes that /bin/true exists on your system and that //bin is
the same as /bin. The // causes BeanShell to ignore the line.
<p CLEAR="ALL" />
The above has been tested on Solaris. It does not seem to work under Cygwin.
<h3>OSX</h3>
For OSX the path is a bit different:
<p />
<center>
<table border="1" cellpadding="5" width="100%">
<tr>
<td bgcolor="#dfdfdc">
<pre>
#!/Library/Java/home/bin/java bsh.Interpreter
print("foo");
</pre>
</td>
</tr>
</table>
</center>
<p />
On OSX /usr/bin/java is itself a shell script, which unfortunately won't
work out-of-the-box.
<table cellspacing="10">
<tr>
<td align="center"><a href="http://www.beanshell.org/"><img src="images/homebutton.png" /><br />Home</a>
</td>
<td><a href="reflectivestyle.html#Reflective_Style_Access_to_Scripted_Methods"><img
src="images/backbutton.png" /><br />Back
</a></td>
<td align="center"><a href="contents.html"><img src="images/upbutton.png" /><br />Contents</a></td>
<td align="center"><a href="bsf.html#BSF_Bean_Scripting_Framework"><img
src="images/forwardbutton.png" /><br />Next
</a></td>
</tr>
</table>
</body>
</html>