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Full Discussion: Triggering UNIX command from Web Browser
Operating Systems Solaris Triggering UNIX command from Web Browser Post 302404675 by hergp on Wednesday 17th of March 2010 03:14:24 AM
Old 03-17-2010
OK, here is a working example:

First you need a html page with form(s), lets call it test.html and you put it into the document root of the server:
Code:
<html><head><title>Test Form</title></head>
<body>
  <form action="/cgi-bin/test.cgi" method="get">
    input for GET: <input name="get_input">
    <input type=submit value="Submit via GET">
  </form>
  <form action="/cgi-bin/test.cgi" method="post">
    input for POST: <input name="post_input">
    <input type=submit value="Submit via POST">
  </form>
  </body>
</html>

Next you need a cgi-script. I choose a shellscript using the kornshell. You save it as "test.cgi" into the cgi-bin directory of your webserver.
Code:
#!/bin/ksh
print "Content-type: text/plain\r\n\r"
print "my query string from (GET) is \"$QUERY_STRING\""
print "\nmy stdin (from POST) is"
cat

When you open the test.html page in your browser, you can enter a string into one of the two input fields and press the submit button adjacent to it.

When you press the "Submit via GET" button, you effectively call /cgi-bin/test.cgi?get_input=your_input_string and the browser shows this output:
Code:
my query string from (GET) is "get_input=your_input_string"
my stdin (from POST) is

When you press the "Submit via POST" button, your input is sent to the stdin of the cgi-script.
Code:
my query string from (GET) is ""
my stdin (from POST) is
post_input=your_input_string

What's left for you to do is: receive the actual user's input either via GET or POST and then process the input according to your needs.

I hope, this helps to understand what's going on.
Last edited by hergp; 03-17-2010 at 04:21 AM..
 

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LEARN ABOUT CENTOS

xdg-settings

XDG-SETTINGS(1) 						xdg-settings Manual						   XDG-SETTINGS(1)

NAME

       xdg-settings - get various settings from the desktop environment

SYNOPSIS

       xdg-settings {get | check | set} {property} [subproperty] [value]

       xdg-settings {--help | --list | --manual | --version}

DESCRIPTION

       xdg-settings gets various settings from the desktop environment. For instance, desktop environments often provide proxy configuration and
       default web browser settings. Using xdg-settings these parameters can be extracted for use by applications that do not use the desktop
       environment's libraries (which would use the settings natively).

       xdg-settings is for use inside a desktop session only. It is not recommended to use xdg-settings as root.

OPTIONS

       --help
	   Show command synopsis.

       --list
	   List all properties xdg-settings knows about.

       --manual
	   Show this manual page.

       --version
	   Show the xdg-utils version information.

PROPERTIES

       When using xdg-settings to get, check or set a destkop setting, properties and possibly sub-properties are used to specify the setting to
       be changed.

       Some properties (such as default-web-browser) fully describe the setting to be changed. Other properties (such as
       default-url-scheme-handler) require more information (in this case the actual scheme to set the default handler for) which must be provided
       in a sub-property.

EXIT CODES

       An exit code of 0 indicates success while a non-zero exit code indicates failure. The following failure codes can be returned:

       1
	   Error in command line syntax.

       2
	   One of the files passed on the command line did not exist.

       3
	   A required tool could not be found.

       4
	   The action failed.

EXAMPLES

       Get the desktop file name of the current default web browser

		   xdg-settings get default-web-browser

       Check whether the default web browser is firefox.desktop, which can be false even if "get default-web-browser" says that is the current
       value (if only some of the underlying settings actually reflect that value)

		   xdg-settings check default-web-browser firefox.desktop

       Set the default web browser to google-chrome.desktop

		   xdg-settings set default-web-browser google-chrome.desktop

       Set the default mailto URL scheme handler to be evolution.desktop

		   xdg-settings set default-url-scheme-handler mailto evolution.desktop

AUTHOR

       Mike Mammarella
	   Author.

COPYRIGHT

       Copyright (C) 2009-2011

[FIXME: source] 						    06/10/2014							   XDG-SETTINGS(1)
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