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Get Environment Variables Sample
The Get Environment Variables Sample CGI displays the phrase Hello World in a
web browser window.
| What You See
When you Run GetEnvironmentVariables.exe |
GET ENVIRONMENT VARIABLES
QUERY_STRING
query
REMOTE_ADDR
10.27.55.152
|
Click
Here to download this compiled CGI.Running The Get Environment Variables Sample
The Get Environment Variables Sample can be run on the same computer as
MyWebServer. Just type the following URL into your web browser. http://localhost/cgi-bin/GetEnvironmentVariables.exe?query
| The C Version
of Get Environment Variables |
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <stdlib.h>
int main(int argc, char* argv[])
{
printf("Content-type: text/html\n\n");
printf("<HTML>");
printf("<HEAD>");
printf("<TITLE>");
printf("GET ENVIRONMENT VARIABLES PAGE");
printf("</TITLE>");
printf("</HEAD>");
printf("<BODY>");
printf("<H2>GET ENVIRONMENT VARIABLES</H2>");
printf("<HR><P>");
printf("QUERY_STRING </P><P>");
printf(getenv("QUERY_STRING"));
printf("</P><HR><P>");
printf("REMOTE_ADDR </P><P>");
printf(getenv("REMOTE_ADDR"));
printf("</P><HR>");
printf("</BODY>");
printf("</HTML>");
return 0;
}
|
Click
Here to download this file.
| The PERL
Version of Get Environment Variables |
#!/usr/local/bin/perl
print ("Content-type: text/html\n\n");
print ("<HTML>");
print ("<HEAD>");
print ("<TITLE>");
print ("GET ENVIRONMENT VARIABLES PAGE");
print ("</TITLE>");
print ("</HEAD>");
print ("<BODY>");
print ("<H2>GET ENVIRONMENT VARIABLES</H2>");
print ("<HR><P>");
print ("QUERY_STRING </P><P>");
print ("$ENV{'QUERY_STRING'}");
print ("</P><HR><P>");
print ("REMOTE_ADDR </P><P>");
print ("$ENV{'REMOTE_ADDR'}");
print ("</P><HR>");
print ("</BODY>");
print ("</HTML>");
|
Click
Here to download this file.
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