Last Friday of each month: Difference between revisions
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(→{{header|Picat}}: Split into subsections.) |
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Year mod 400 == 0. </lang> |
Year mod 400 == 0. </lang> |
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===Running the program=== |
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There are several ways to run this program; let's call it "last_friday_of_each_month.pi": |
There are several ways to run this program; let's call it "last_friday_of_each_month.pi": |
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From Picat's shell |
===From Picat's shell=== |
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<pre> |
<pre>$ picat |
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$ picat |
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Picat> cl(last_friday_of_each_month) |
Picat> cl(last_friday_of_each_month) |
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Picat> show_year(2022) |
Picat> show_year(2022) |
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2022-10-28 |
2022-10-28 |
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2022-11-25 |
2022-11-25 |
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2022-12-30 |
2022-12-30</pre> |
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</pre> |
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From the command line |
===From the command line, year as parameter=== |
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Via <code>main(ARGV)</code>. |
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* With the year as a parameter, via main(ARGV): |
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<pre>$ picat last_friday_of_each_month.pi 2022</pre> |
<pre>$ picat last_friday_of_each_month.pi 2022</pre> |
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===From the command line, as a goal=== |
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<pre>$ picat -g "show_year(2022)" last_friday_of_each_month.pi</pre> |
<pre>$ picat -g "show_year(2022)" last_friday_of_each_month.pi</pre> |
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===Run the default goal (go/0))=== |
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<pre>$ picat last_friday_of_each_month.pi</pre> |
<pre>$ picat last_friday_of_each_month.pi</pre> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |
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