source: trunk/SRC/Documentation/idldoc_html_output/ToBeReviewed/UTILITAIRE/undefine.html @ 104

Last change on this file since 104 was 104, checked in by pinsard, 18 years ago

start to modify headers of Postscript *.pro files for better idldoc output + change the title of idldoc output in html to SAXO Documentation
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74<a href="text_box.html">&lt;&lt;prev file</a> | <a href="vzoom.html">next file &gt;&gt;</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="undefine.html" target="_TOP">view single page</a> | <a href="./../../index.html?format=raw" target="_TOP">view frames</a>&nbsp;&nbsp;&nbsp;&nbsp;summary: fields | routine&nbsp;&nbsp;&nbsp;&nbsp;details: <a href="#routine_details">routine</a>
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82      <h2 class="pro_file">undefine.pro</h2>
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99      <div id="routine_details">
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102        <div class="routine_details" id="_UNDEFINE">
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104          <h2><a class="top" href="#container">top</a>UNDEFINE </h2>
105       
106          <p class="header">
107            UNDEFINE<span class="result">, <a href="#_UNDEFINE_param_varname">varname</a></span></p>
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109          <div class="comments">
110 NAME: undefine
111
112 PURPOSE: effacer une variable
113           meme chose que delvar mais utiulisable ds un programme et
114           utilisable que pour une variable a la fois
115
116 CATEGORY:
117
118 CALLING SEQUENCE: UNDEFINE, varname 
119 
120 INPUTS: varname: la variable a detruire
121
122 EXAMPLE:
123
124    IDL> a=1
125    IDL> undefine,a
126    % Compiled module: UNDEFINE.
127    IDL> help, a
128    A               UNDEFINED = <Undefined>
129
130 MODIFICATION HISTORY: trouve sur la page web de D.Fanning
131 http://www.dfanning.com :
132QUESTION: How do I make an IDL variable have a type "undefined"?
133ANSWER: At the main IDL level you can use the IDL procedure DELVAR to
134delete an IDL variable and make it undefined. Inside of procedures
135and functions, I use this little program named UNDEFINE that I got
136from Andrew Cool at the DSTO High Frequency Radar Division in
137Adelaide, Australia.
138</div>
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143            <h3>Parameters</h3>
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146            <h4 id="_UNDEFINE_param_varname">varname&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
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