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    <p>From it's syntax we can tell it is a "modern" language. Remember "<em>modern</em>" alright ;)</p> <pre><code>substr .and. -&gt; </code></pre> <p>are pretty modern, in compare with cobol and assembling language.</p> <blockquote> <p>(CARS->TYPE='C').and.(CARS->CD_CODE&lt;>'').and.('|'+INVOICE->TYPE+'|'$'|AAA|').and.('|'+SUBSTR(INVOICE->TYPE,1,2)+'|'$'|11|')</p> </blockquote> <p>A pseudo code would be something as:</p> <pre><code>(if car type is 'C' and if car cd_code is not empty and if invoice type is 'AAA' and if invoice type first 2 letters are '11') then return true </code></pre> <p>My guess about using $ would be:</p> <pre><code>= and &lt;&gt; are only when compare against a character $ when compare array of character, i.e. strings. </code></pre> <p>(I don't know what the output would be, as it compares the entire invoice type with AAA and even with the first two letters as 11. Maybe you have edited the code before submitting it?)</p> <p><strong>Fortran 90</strong> would be a guess, but even <strong>DBase III</strong> maybe.</p> <p>DBase link: <a href="http://lynnbob.com/bob/articles/DBASEIIIPlusLevel2.htm" rel="nofollow">http://lynnbob.com/bob/articles/DBASEIIIPlusLevel2.htm</a></p> <p>Fortran link: <a href="http://www.ews.uiuc.edu/~mrgates2/docs/fortran.html" rel="nofollow">http://www.ews.uiuc.edu/~mrgates2/docs/fortran.html</a></p> <p>For DBASE regarding the pipes...</p> <p><em>If you pass parameters, they must be delimited by | | (pipes). The pipes, ||, are required even if no parameters are passed. If you pass parameters, they are delimited within the ||.</em></p>
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