2025-01-03 11:43:00 +01:00
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<title>SCRIPTS</title>
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<h1>XSCHEM SCRIPTS</h1><br>
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<p>
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Xschem is a tcl interpreter and as such TCL scripts and commands can be executed.
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Xschem adds its own extension commands, mostly with the <kbd>xschem</kbd> TCL command.
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See this <a href="developer_info.html">manual page</a>.
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The same procedure as tcl is used to load and execute a script:
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<br><br><pre> source /path/to/script.tcl</pre>
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</p>
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<p>
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there are various ways to run a script in xschem:
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</p>
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<ol>
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<li>
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On the xschem command prompt:
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<br><br><pre>source myscript.tcl</pre><br>
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</li>
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<li>
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2025-01-03 11:58:36 +01:00
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In the <kbd>xschemrc</kbd> you may set the <kbd>tcl_files</kbd> tcl variable with a list of files
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2025-01-03 11:43:00 +01:00
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to read in and execute after xschem is started:
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<br><br><pre>set tcl_files {/path/to/file1.tcl /path/to/file2.tcl}</pre><br>
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</li>
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<li>
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2025-01-03 11:58:36 +01:00
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the <kbd>postinit_commands</kbd> variable in <kbd>xschemrc</kbd> can be filled with tcl code ,
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2025-01-03 11:43:00 +01:00
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it is executed when starting xschem:
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<br><br><pre>set postinit_commands {
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puts hello
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puts world
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}
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</pre><br>
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</li>
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<li>
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2025-01-03 11:58:36 +01:00
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On the unix shell command line with <kbd>--tcl</kbd> (this code is executed after reading
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<kbd>xschemrc</kbd>, this is usually done to override <kbd>xschemrc</kbd> settings:
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2025-01-03 11:43:00 +01:00
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<br><br><pre>xschem --tcl 'set intuitive_interface 0'</pre><br>
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</li>
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<li>
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On the unix shell command line with <kbd>--preinit</kbd>. Same as <kbd>--tcl</kbd>,
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but the commands are executed
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at the very beginning of xschem startup, before reading <kbd>xschemrc</kbd>.
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2025-01-03 11:43:00 +01:00
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Usually done to change some internal variables for testing
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<br><br><pre>xschem --preinit 'some_weird_tcl_code'</pre><br>
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</li>
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<li>
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On the unix shell command line with <kbd>--command</kbd>.
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The specified tcl code is executed after complete startup so all extended
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2025-01-03 11:58:36 +01:00
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<kbd>xschem</kbd> commands are available:
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2025-01-03 11:43:00 +01:00
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<br><br><pre>
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2025-01-03 11:58:36 +01:00
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xschem solar_panel.sch --command 'xschem netlist; simulate' #there are other ways to do this, just an example
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2025-01-03 11:43:00 +01:00
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</pre><br>
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</li>
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<li>
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On the unix shell command line with <kbd>--script</kbd>. Specify a file to source,
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it will be executed after complete startup.
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<br><br><pre>xschem --script myscript.tcl</pre><br>
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</li>
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</ol>
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