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<META NAME="Author" CONTENT="Vladimir Livshits">
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<TITLE>Specification for the JavaScript shell</TITLE>
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<H3>
Object hierarchy for JS Shell:</H3></CENTER>
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<TD ALIGN=CENTER VALIGN=TOP HEIGHT="100%">
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<TR>
<TD BGCOLOR="#C0C0C0"><B> System </B></TD>
</TR>
<TR>
<TD>
<CENTER><B><FONT COLOR="#FF0000">Methods</FONT></B></CENTER>
<UL>
<LI>
<B><TT>chdir</TT></B></LI>
<LI>
<B><TT>pipe</TT></B></LI>
<LI>
<B><TT>script</TT></B></LI>
<LI>
<B><TT>exit</TT></B></LI>
<LI>
<B><TT>system</TT></B></LI>
<LI>
<B><TT>gc</TT></B></LI>
<LI>
<TT><B>call </B>(executes an external script)</TT></LI>
<LI>
<TT><B>use</B> (make methods of the script you pass available. I.e. if
you say <B>use('Foo','Bar')</B>, you can now call Foo.f() and Bar.f().
Foo.eval() will evaluate all the code)</TT></LI>
</UL>
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<UL>
<LI>
<B><TT><FONT COLOR="#330033">stdout</FONT></TT></B></LI>
<LI>
<B><TT><FONT COLOR="#330033">stdin</FONT></TT></B></LI>
<LI>
<B><TT><FONT COLOR="#330033">stderr </FONT></TT></B></LI>
<LI>
<TT><FONT COLOR="#330033"><B>platform </B>('PC', 'UNIX', 'MAC')</FONT></TT></LI>
<LI>
<TT><FONT COLOR="#330033"><B>ARGV </B>(arguments passed to the script)</FONT></TT></LI>
</UL>
<B><FONT COLOR="#330033">Notes: <TT>pipe</TT> </FONT></B><FONT COLOR="#330033">works
like backticks in Perl; <B><TT>script</TT></B> works the other way around,
that is, you give it an array and it feeds the array to the executable
you specify (somewhat similar to the script command on <TT>UNIX</TT>).</FONT></TD>
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</TD>
<TD>
<TABLE BORDER=0 COLS=1 WIDTH="100%" >
<TR>
<TD BGCOLOR="#C0C0C0"><B>Environment</B></TD>
</TR>
<TR>
<TD HEIGHT="100%">
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<P><FONT COLOR="#330033">All environment variables become properties of
<B><TT>Environment</TT></B>. Assigning to them actually changes the environment.</FONT></TD>
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</TD>
<TD>
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<TR>
<TD BGCOLOR="#C0C0C0"><B>File</B></TD>
</TR>
<TR>
<TD>
<TABLE BORDER=0 COLS=2 WIDTH="100%" >
<TR>
<TD>
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<CENTER> </CENTER>
<LI>
<B><TT>currentDir</TT></B></LI>
<LI>
<B><TT>length </TT></B></LI>
<LI>
<B><TT>parent </TT></B></LI>
<LI>
<B><TT>path </TT></B></LI>
<LI>
<B><TT>name </TT></B></LI>
<LI>
<B><TT>isDirectory</TT></B></LI>
<LI>
<B><TT>isFile </TT></B></LI>
<LI>
<B><TT>exists </TT></B></LI>
<LI>
<B><TT>canRead </TT></B></LI>
<LI>
<B><TT>canWrite </TT></B></LI>
<LI>
<B><TT>opened </TT></B></LI>
<LI>
<B><TT>type </TT></B></LI>
<LI>
<B><TT>mode </TT></B></LI>
<LI>
<B><TT>creationTime</TT></B></LI>
<LI>
<B><TT>lastModified</TT></B></LI>
<LI>
<B><TT>size </TT></B></LI>
<LI>
<B><TT>randomAccess</TT></B></LI>
<LI>
<B><TT>position</TT></B></LI>
</TD>
<TD VALIGN=TOP>
<CENTER><B><FONT COLOR="#FF0000">Methods</FONT></B></CENTER>
<CENTER> </CENTER>
<LI>
<B><TT>open </TT></B></LI>
<LI>
<B><TT>close </TT></B></LI>
<LI>
<B><TT>remove </TT></B></LI>
<LI>
<B><TT>copyTo </TT></B></LI>
<LI>
<B><TT>renameTo</TT></B></LI>
<LI>
<B><TT>flush </TT></B></LI>
<LI>
<B><TT>skip </TT></B></LI>
<LI>
<B><TT>read </TT></B></LI>
<LI>
<B><TT>readln </TT></B></LI>
<LI>
<B><TT>readAll </TT></B></LI>
<LI>
<B><TT>write </TT></B></LI>
<LI>
<B><TT>writeln </TT></B></LI>
<LI>
<B><TT>writeAll</TT></B></LI>
<LI>
<B><TT>list </TT></B></LI>
<LI>
<B><TT>mkdir </TT></B></LI>
</TD>
</TR>
</TABLE>
<I>(Henri's stuff)</I>
<BR> </TD>
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</TD>
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