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Code Editor : jed005.html

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<h2 id="sec5" class="section">4&#X2003;Starting JED</h2>
Normally, jed is started as<pre class="verbatim"> jed &lt;file name&gt;
</pre>
or 
<pre class="verbatim"> jed &lt;file list&gt;
</pre>However, jed also takes the switches defined in the following table:
<pre class="verbatim"> Switch Meaning
 ------ -------
 -batch run JED in batch mode. This is a non-interactive mode.
 -n do not load jed.rc (.jedrc) file.
 -g &lt;n&gt; goto line `n' in buffer
 -l &lt;file&gt; load `file' as S-Lang code.
 -f &lt;function&gt; execute S-Lang function named `function'
 -s &lt;string&gt; search forward for `string'
 -2 split window
 -i &lt;file&gt; insert &lt;file&gt; into current buffer.
</pre>For example, the command line:
<pre class="verbatim"> jed slang.c -g 1012 -s error -2 file.c -f eob
</pre>will start up jed, read in the file slang.c, goto line 1012 of
slang.c and start searching for the string error, split the
window, read in file.c and goto the end of the file.If the -batch parameter is used, it must be the first parameter.
Similarly, if -n is used, it must also be the first parameter unless
used with the -batch parameter in which case it must the second.
jed should only be run in batch mode when non&#X2013;interactive operation is
desired. For example, jed is distributed with a file, <code class="verb">mkdoc.sl</code>,
that contains S&#X2013;Lang code to produce a help file for functions and
variables. In fact, the help file <code class="verb">jed_funs.hlp</code> was created by
entering<pre class="verbatim"> jed -batch -n -l mkdoc.sl
</pre>at the command line.Now suppose that you want to read in a file with the name of one of the
switches, say <code class="verb">-2</code>. How can this be done? The answer depends upon
the operating system. For Unix, instead of jed -2, use 
jed ./-2; for VMS, use jed []-2.
The case for MS-DOS is similar to Unix except that one must use the
backslash.It is possible to completely change jed&#X2019;s command line syntax through the
use of the user defined function <code class="verb">command_line_hook</code>. In fact, the
behavior described above is dictated by the value of
<code class="verb">command_line_hook</code> as distributed in <code class="verb">site.sl</code>. See the
section on hooks for details.
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