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74<a href="string2struct.html">&lt;&lt;prev file</a> | <a href="strright.html">next file &gt;&gt;</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="strkeywd.html" target="_TOP">view single page</a> | <a href="./../../index.html" 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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81      <h1 class="directory"><a href="directory-overview.html">ToBeReviewed/STRING/</a></h1>
82      <h2 class="pro_file">strkeywd.pro</h2>
83
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85        <dl>
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90 Translate a structure in a string able to be used to specify keywords
91 in the calling of a function when we use EXECUTE (see example)
92</div>
93
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100     
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102      <div id="routine_details">
103       
104
105        <div class="routine_details" id="_strkeywd">
106
107          <h2><a class="top" href="#container">top</a>strkeywd <span class="categories"> 
108 </span></h2>
109       
110          <p class="header">
111            <span class="result">result = </span>strkeywd(<span class="result"><a href="#_strkeywd_param_struct">struct</a></span>)</p>
112       
113          <div class="comments">
114</div>
115
116          <h3>Return value</h3><div class="preformat">
117 a string composed like following:
118 For each element of the structure, we write a part of the string as:
119         'name_of_the_element=content_of_the_element'
120</div>
121
122         
123            <h3>Parameters</h3>
124       
125           
126            <h4 id="_strkeywd_param_struct">struct&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
127             
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133             
134             
135            </h4>
136       
137          <div class="comments">
138 a structure
139</div>
140           
141
142         
143
144         
145
146          <h3>Examples</h3><div class="preformat">
147 We create a structure
148       IDL> b=get_extra(ok=111, year=[1997,1998,1999], age_capitaine=35)
149       IDL> help, b,/struct
150       ** Structure <817f4bc>, 3 tags, length=10, refs=1:
151          AGE_CAPITAINE   INT             35
152          OK              INT            111
153          YEAR            INT       Array[3]
154 We put this structure as a string
155       IDL> a=strkeywd(b)
156       IDL> print, a
157       AGE_CAPITAINE=35, OK=111, YEAR=[1997,1998,1999]
158 Now we can use the string a to pass keywords in a function thanks to execute!!
159       IDL> test=execute('c=get_extra('+a+')')
160       IDL> help, c,/struct
161       ** Structure <817f2dc>, 3 tags, length=10, refs=1:
162          AGE_CAPITAINE   INT             35
163          OK              INT            111
164          YEAR            INT       Array[3]
165</div>
166          <h3>Version history</h3>
167         
168          <h4>Version</h4><div class="preformat">
169 $Id: strkeywd.pro 325 2007-12-06 10:04:53Z pinsard $
170</div>
171          <h4>History</h4><div class="preformat">
172 Sebastien Masson (smasson@lodyc.jussieu.fr)
173                      11/10/1999
174</div>
175         
176         
177          <h3>Known issues</h3>
178         
179         
180         
181          <h4>Restrictions</h4><div class="preformat">
182 If an element of the structure contain an array, it will be convert in a vector.
183
184
185 Beware, this function has loops, ifs ad cases everywhere. So it can
186 not be used by big keywords (with a lot of elements which are big
187 arrays). The input keyword must not contain Complex floatings, structure,
188 Double-precision complex, Pointer, Object reference, Unsigned Integer,
189 Unsigned Longword Integer, 64-bit Integer or Unsigned 64-bit Integer.
190</div>
191       
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199       
200          <h3>Statistics</h3>
201          <table class="statistics">
202            <tr><td>McCabe cyclic</td><td>           5</td></tr>
203            <tr><td>McCabe essential</td><td>           1</td></tr>
204            <tr><td>McCabe modular design</td><td>           1</td></tr>
205          </table>
206         
207       
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