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GRICHTER / HTML-Embperl-1.3.6 / eg / x / loop.htm 

            

              
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<html>
<head>
<title>Embperl Examples - Loop Metacommands</title>
</head>
<body background="../images/jazzbkgd.gif">
<h1>Embperl Examples - Loop Metacommands</h1>
<hr><h3>This is a example of using the while metacommand in embperl to show the environement</h3>
[$ while ($k, $v) = each (%ENV) $]
        [+ $k +] = [+ $v +] <BR>
[$ endwhile $]
<hr><h3>This is a example of using the while metacommand to show the loaded
modules, with using an index</h3>
[- $i = 0; @k = keys %INC -]
[$ while ($i &lt; $#k) $]
[+ $k[$i] +] = [+ $INC{$k[$i]} +]<BR>
[- $i++ -]
[$ endwhile $]
<hr><h3>This is a example of using the do .. until metacommand to show the array @arr = (3,5,7)</h3>
[- @arr = (3, 5, 7); $i = 0 -]
[$ do $]
[+ $arr[ $i++ ] +]
[$ until $i > $#arr $]
<hr><h3>This is a example of using the foreach metacommand to show the list (1..10)</h3>
[$ foreach $v (1..10) $]
[+ $v +]
[$ endforeach $]
[$ if $ENV{MOD_PERL} $]
<hr><h3>This is a example of using the while metacommand in embperl to show the http headers send from the browser</h3>
[- %hdr = $req_rec -> headers_in ; -]
[$ while ($k, $v) = each (%hdr) $]
        [+ $k +] = [+ $v +] <BR>
[$ endwhile $]
[$endif$]
<p><hr>
<small>HTML::Embperl (c) 1997-1998 G.Richter</small>
</body>
</html>