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<h2><span class="anchor" id="src"></span>Source Code</h2>
<div class="hl"><pre><span></span><a id="ln-1" name="ln-1" href="#ln-1"></a><span class="w"> </span><span class="k">program </span><span class="n">demo_specified</span><span class="w"></span>
<a id="ln-2" name="ln-2" href="#ln-2"></a><span class="w"> </span><span class="k">use</span><span class="p">,</span><span class="w"> </span><span class="k">intrinsic</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">iso_fortran_env</span><span class="p">,</span><span class="w"> </span><span class="k">only</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="p">&</span><span class="w"></span>
<a id="ln-3" name="ln-3" href="#ln-3"></a><span class="w"> </span><span class="p">&</span><span class="w"> </span><span class="n">stderr</span><span class="o">=></span><span class="n">ERROR_UNIT</span><span class="p">,</span><span class="w"> </span><span class="n">stdin</span><span class="o">=></span><span class="n">INPUT_UNIT</span><span class="p">,</span><span class="w"> </span><span class="n">stdout</span><span class="o">=></span><span class="n">OUTPUT_UNIT</span><span class="w"></span>
<a id="ln-4" name="ln-4" href="#ln-4"></a><span class="w"> </span><span class="k">use </span><span class="n">M_CLI2</span><span class="p">,</span><span class="w"> </span><span class="k">only</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="n">set_args</span><span class="p">,</span><span class="w"> </span><span class="n">igets</span><span class="p">,</span><span class="w"> </span><span class="n">rgets</span><span class="p">,</span><span class="w"> </span><span class="n">specified</span><span class="p">,</span><span class="w"> </span><span class="n">sget</span><span class="p">,</span><span class="w"> </span><span class="n">lget</span><span class="w"></span>
<a id="ln-5" name="ln-5" href="#ln-5"></a><span class="w"> </span><span class="k">implicit none</span><span class="w"></span>
<a id="ln-6" name="ln-6" href="#ln-6"></a>
<a id="ln-7" name="ln-7" href="#ln-7"></a><span class="w"> </span><span class="c">! Define args</span>
<a id="ln-8" name="ln-8" href="#ln-8"></a><span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ints</span><span class="p">(:)</span><span class="w"></span>
<a id="ln-9" name="ln-9" href="#ln-9"></a><span class="w"> </span><span class="kt">real</span><span class="p">,</span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">floats</span><span class="p">(:)</span><span class="w"></span>
<a id="ln-10" name="ln-10" href="#ln-10"></a><span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">flag</span><span class="w"></span>
<a id="ln-11" name="ln-11" href="#ln-11"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="p">:),</span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">color</span><span class="w"></span>
<a id="ln-12" name="ln-12" href="#ln-12"></a><span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="p">:),</span><span class="k">allocatable</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">list</span><span class="p">(:)</span><span class="w"></span>
<a id="ln-13" name="ln-13" href="#ln-13"></a><span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">i</span><span class="w"></span>
<a id="ln-14" name="ln-14" href="#ln-14"></a>
<a id="ln-15" name="ln-15" href="#ln-15"></a><span class="w"> </span><span class="k">call </span><span class="n">set_args</span><span class="p">(</span><span class="s1">'&</span>
<a id="ln-16" name="ln-16" href="#ln-16"></a><span class="s1"> & --color:c "red" &</span>
<a id="ln-17" name="ln-17" href="#ln-17"></a><span class="s1"> & --flag:f F &</span>
<a id="ln-18" name="ln-18" href="#ln-18"></a><span class="s1"> & --ints:i 1,10,11 &</span>
<a id="ln-19" name="ln-19" href="#ln-19"></a><span class="s1"> & --floats:T 12.3, 4.56 &</span>
<a id="ln-20" name="ln-20" href="#ln-20"></a><span class="s1"> & '</span><span class="p">)</span><span class="w"></span>
<a id="ln-21" name="ln-21" href="#ln-21"></a><span class="w"> </span><span class="n">ints</span><span class="o">=</span><span class="n">igets</span><span class="p">(</span><span class="s1">'ints'</span><span class="p">)</span><span class="w"></span>
<a id="ln-22" name="ln-22" href="#ln-22"></a><span class="w"> </span><span class="n">floats</span><span class="o">=</span><span class="n">rgets</span><span class="p">(</span><span class="s1">'floats'</span><span class="p">)</span><span class="w"></span>
<a id="ln-23" name="ln-23" href="#ln-23"></a><span class="w"> </span><span class="n">flag</span><span class="o">=</span><span class="n">lget</span><span class="p">(</span><span class="s1">'flag'</span><span class="p">)</span><span class="w"></span>
<a id="ln-24" name="ln-24" href="#ln-24"></a><span class="w"> </span><span class="n">color</span><span class="o">=</span><span class="n">sget</span><span class="p">(</span><span class="s1">'color'</span><span class="p">)</span><span class="w"></span>
<a id="ln-25" name="ln-25" href="#ln-25"></a>
<a id="ln-26" name="ln-26" href="#ln-26"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'color='</span><span class="p">,</span><span class="n">color</span><span class="w"></span>
<a id="ln-27" name="ln-27" href="#ln-27"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'flag='</span><span class="p">,</span><span class="n">flag</span><span class="w"></span>
<a id="ln-28" name="ln-28" href="#ln-28"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'ints='</span><span class="p">,</span><span class="n">ints</span><span class="w"></span>
<a id="ln-29" name="ln-29" href="#ln-29"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'floats='</span><span class="p">,</span><span class="n">floats</span><span class="w"></span>
<a id="ln-30" name="ln-30" href="#ln-30"></a>
<a id="ln-31" name="ln-31" href="#ln-31"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'was -flag specified?'</span><span class="p">,</span><span class="n">specified</span><span class="p">(</span><span class="s1">'flag'</span><span class="p">)</span><span class="w"></span>
<a id="ln-32" name="ln-32" href="#ln-32"></a>
<a id="ln-33" name="ln-33" href="#ln-33"></a><span class="w"> </span><span class="c">! elemental</span>
<a id="ln-34" name="ln-34" href="#ln-34"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">specified</span><span class="p">([</span><span class="s1">'floats'</span><span class="p">,</span><span class="s1">'ints '</span><span class="p">])</span><span class="w"></span>
<a id="ln-35" name="ln-35" href="#ln-35"></a>
<a id="ln-36" name="ln-36" href="#ln-36"></a><span class="w"> </span><span class="c">! If you want to know if groups of parameters were specified use</span>
<a id="ln-37" name="ln-37" href="#ln-37"></a><span class="w"> </span><span class="c">! ANY(3f) and ALL(3f)</span>
<a id="ln-38" name="ln-38" href="#ln-38"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'ANY:'</span><span class="p">,</span><span class="nb">any</span><span class="p">(</span><span class="n">specified</span><span class="p">([</span><span class="s1">'floats'</span><span class="p">,</span><span class="s1">'ints '</span><span class="p">]))</span><span class="w"></span>
<a id="ln-39" name="ln-39" href="#ln-39"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'ALL:'</span><span class="p">,</span><span class="k">all</span><span class="p">(</span><span class="n">specified</span><span class="p">([</span><span class="s1">'floats'</span><span class="p">,</span><span class="s1">'ints '</span><span class="p">]))</span><span class="w"></span>
<a id="ln-40" name="ln-40" href="#ln-40"></a>
<a id="ln-41" name="ln-41" href="#ln-41"></a><span class="w"> </span><span class="c">! For mutually exclusive</span>
<a id="ln-42" name="ln-42" href="#ln-42"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="k">all</span><span class="p">(</span><span class="n">specified</span><span class="p">([</span><span class="s1">'floats'</span><span class="p">,</span><span class="s1">'ints '</span><span class="p">])))</span><span class="k">then</span>
<a id="ln-43" name="ln-43" href="#ln-43"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'You specified both names --ints and --floats'</span><span class="w"></span>
<a id="ln-44" name="ln-44" href="#ln-44"></a><span class="w"> </span><span class="k">endif</span><span class="w"></span>
<a id="ln-45" name="ln-45" href="#ln-45"></a>
<a id="ln-46" name="ln-46" href="#ln-46"></a><span class="w"> </span><span class="c">! For required parameter</span>
<a id="ln-47" name="ln-47" href="#ln-47"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(.</span><span class="nb">not</span><span class="p">.</span><span class="nb">any</span><span class="p">(</span><span class="n">specified</span><span class="p">([</span><span class="s1">'floats'</span><span class="p">,</span><span class="s1">'ints '</span><span class="p">])))</span><span class="k">then</span>
<a id="ln-48" name="ln-48" href="#ln-48"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'You must specify --ints or --floats'</span><span class="w"></span>
<a id="ln-49" name="ln-49" href="#ln-49"></a><span class="w"> </span><span class="k">endif</span><span class="w"></span>
<a id="ln-50" name="ln-50" href="#ln-50"></a>
<a id="ln-51" name="ln-51" href="#ln-51"></a><span class="w"> </span><span class="c">! check if all values are in range from 10 to 30 and even</span>
<a id="ln-52" name="ln-52" href="#ln-52"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'are all numbers good?'</span><span class="p">,</span><span class="k">all</span><span class="p">([</span><span class="n">ints</span><span class="w"> </span><span class="o">>=</span><span class="w"> </span><span class="mi">10</span><span class="p">,</span><span class="n">ints</span><span class="w"> </span><span class="o"><=</span><span class="w"> </span><span class="mi">30</span><span class="p">,(</span><span class="n">ints</span><span class="o">/</span><span class="mi">2</span><span class="p">)</span><span class="o">*</span><span class="mi">2</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">ints</span><span class="p">])</span><span class="w"></span>
<a id="ln-53" name="ln-53" href="#ln-53"></a>
<a id="ln-54" name="ln-54" href="#ln-54"></a><span class="w"> </span><span class="c">! perhaps you want to check one value at a time</span>
<a id="ln-55" name="ln-55" href="#ln-55"></a><span class="w"> </span><span class="k">do </span><span class="n">i</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span><span class="n">size</span><span class="p">(</span><span class="n">ints</span><span class="p">)</span><span class="w"></span>
<a id="ln-56" name="ln-56" href="#ln-56"></a><span class="w"> </span><span class="k">write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">),[</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o">>=</span><span class="w"> </span><span class="mi">10</span><span class="p">,</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o"><=</span><span class="w"> </span><span class="mi">30</span><span class="p">,(</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="o">/</span><span class="mi">2</span><span class="p">)</span><span class="o">*</span><span class="mi">2</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)]</span><span class="w"></span>
<a id="ln-57" name="ln-57" href="#ln-57"></a><span class="w"> </span><span class="k">if</span><span class="p">(</span><span class="k">all</span><span class="p">([</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o">>=</span><span class="w"> </span><span class="mi">10</span><span class="p">,</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o"><=</span><span class="w"> </span><span class="mi">30</span><span class="p">,(</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="o">/</span><span class="mi">2</span><span class="p">)</span><span class="o">*</span><span class="mi">2</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">)])</span><span class="w"> </span><span class="p">)</span><span class="k">then</span>
<a id="ln-58" name="ln-58" href="#ln-58"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">),</span><span class="s1">'is an even number from 10 to 30 inclusive'</span><span class="w"></span>
<a id="ln-59" name="ln-59" href="#ln-59"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-60" name="ln-60" href="#ln-60"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">ints</span><span class="p">(</span><span class="n">i</span><span class="p">),</span><span class="s1">'is not an even number from 10 to 30 inclusive'</span><span class="w"></span>
<a id="ln-61" name="ln-61" href="#ln-61"></a><span class="w"> </span><span class="k">endif</span>
<a id="ln-62" name="ln-62" href="#ln-62"></a><span class="k"> enddo</span>
<a id="ln-63" name="ln-63" href="#ln-63"></a>
<a id="ln-64" name="ln-64" href="#ln-64"></a><span class="k"> </span><span class="n">list</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="s1">'red'</span><span class="p">,</span><span class="s1">'white'</span><span class="p">,</span><span class="s1">'blue'</span><span class="p">]</span><span class="w"></span>
<a id="ln-65" name="ln-65" href="#ln-65"></a><span class="w"> </span><span class="k">if</span><span class="p">(</span><span class="w"> </span><span class="nb">any</span><span class="p">(</span><span class="n">color</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">list</span><span class="p">)</span><span class="w"> </span><span class="p">)</span><span class="k">then</span>
<a id="ln-66" name="ln-66" href="#ln-66"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">color</span><span class="p">,</span><span class="s1">'matches a value in the list'</span><span class="w"></span>
<a id="ln-67" name="ln-67" href="#ln-67"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-68" name="ln-68" href="#ln-68"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="n">color</span><span class="p">,</span><span class="s1">'not in the list'</span><span class="w"></span>
<a id="ln-69" name="ln-69" href="#ln-69"></a><span class="w"> </span><span class="k">endif</span>
<a id="ln-70" name="ln-70" href="#ln-70"></a>
<a id="ln-71" name="ln-71" href="#ln-71"></a><span class="k"> if</span><span class="p">(</span><span class="n">size</span><span class="p">(</span><span class="n">ints</span><span class="p">).</span><span class="n">eq</span><span class="p">.</span><span class="mi">3</span><span class="p">)</span><span class="k">then</span>
<a id="ln-72" name="ln-72" href="#ln-72"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'ints(:) has expected number of values'</span><span class="w"></span>
<a id="ln-73" name="ln-73" href="#ln-73"></a><span class="w"> </span><span class="k">else</span>
<a id="ln-74" name="ln-74" href="#ln-74"></a><span class="k"> write</span><span class="p">(</span><span class="o">*</span><span class="p">,</span><span class="o">*</span><span class="p">)</span><span class="s1">'ints(:) does not have expected number of values'</span><span class="w"></span>
<a id="ln-75" name="ln-75" href="#ln-75"></a><span class="w"> </span><span class="k">endif</span>
<a id="ln-76" name="ln-76" href="#ln-76"></a>
<a id="ln-77" name="ln-77" href="#ln-77"></a><span class="k"> end program </span><span class="n">demo_specified</span><span class="w"></span>
</pre></div>
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<div class="col-xs-6 col-md-6"><p>M_CLI2 was developed by John S. Urban<br>© 2023
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Documentation generated by
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