CGI Examples
Example 1 - telling the time
This is a simple example of a CGI script which when requested produces
a HTML page which contains the current time.
sh version
<![CDATA[
#!/bin/sh
echo "Content-Type: text/html"
echo
echo
echo "<html>"
echo "The date is <i>`date`</i>."
echo "<hr>This page was dynamically generated by a CGI script</html>"
]]>
Perl version
<![CDATA[
#!/usr/local/bin/perl
$date=`date`;
print "Content-Type: text/html\r\n\r\n";
print "<html>The date is <i>`$date'</i>";
print "<hr>This page was dynamically generated by a CGI script</html>";
]]>
C version
<![CDATA[
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#include <errno.h>
/* Returns the date */
char *date() {
time_t tloc;
if(time(&tloc) == (time_t) -1) perror("time()");
return ctime(&tloc);
}
int main() {
printf("Content-Type: text/html\r\n\r\n");
printf("<html>The date is <i>`%s'</i>",date());
printf("<hr>This page was dynamically generated by a CGI script</html>");
}
]]>
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