Use a CGI script to route the information (like with an HTML page). If the information is already present in the server, Acrobat viewers can't reroute the information elsewhere. An application to receive and process the FDF information.Īcrobat viewers can route FDF information to a server. CGI, like many things on the Internet, periodically changes. Proficiency in the programming language. A programming language such as C (which requires a compiler) or Perl (which has strong text processing capabilities and flexible syntax).
To create a CGI script that will collect FDF information, you need the following: You use a programming language such as C or Perl to compose CGI scripts in a text-editing application (for example, WordPad). CGI scripts can read and write files, and access databases or other applications. A CGI script at the specified URL receives the FDF file, reads it, and processes the information in it.ĬGI (Common Gateway Interface) is the standard interface scripting language for running a program and returning the result to a Web browser. Thereafter, the Acrobat viewer is no longer involved.Ħ. The FDF file is then sent to a specified URL. The Acrobat viewer exports the form field information as an FDF file.ĥ.
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The user fills out the PDF form fields and clicks the submit button.Ĥ. A user connects to your Web server and loads the PDF file.ģ. You create an Acrobat PDF form file in Acrobat, and then place the file on a Web server.Ģ. Here's an example workflow of how a PDF file can be used to send PDF form information to a script on a Web server:ġ. CGI scripts, which are explained below, are the most common type of scripts used to receive FDF files. The URL to which you send the FDF file must be set up with instructions to handle the FDF file. The web server handles the remaining part of the form data submission. These steps will be taken in an Acrobat application. You can create a form field button that will submit the form data (FDF) to a Web address. To set up forms to work on the Web, evaluate the extent to which Acrobat is required in the process and identify the point from where the Web server takes over. PDF forms that are viewed online within a Web browser maintain the same functionality as if they were viewed locally, including form submission functionality. For example, FDF can include incremental changes to the PDF file, digital signatures, and graphical data, but XFDF cannot. XFDF is an XML-encoded FDF that allows for hierarchical representation of field data, but it doesn't support as many types of data as FDF can. In addition to FDF, HTML, and text, all of which are options for submitting form data, Acrobat 5 and later also lets you submit an entire PDF file or its form field data in XFDF format.
See "Getting Help with Acrobat Forms and Scripts" below for more information. (The form fields in the PDF file into which the FDF data is being imported must directly correspond to the form fields in the FDF file.) You can use the FDF Toolkit to populate PDF form fields with data from a database. You can also use the FDF Toolkit to extract data from form fields to populate a database. If you send it to another location, that data can be imported into the form fields of a PDF file at that location.
See "Using CGI Scripts to Collect FDF Information" below for more information.Īfter you create an FDF file, you can let another application parse it and populate a database with the information, or you can electronically send it to another location. You can also set up a form button to create an FDF file and send it to a Web address (URL). Choose Document > Fill-in Form if the creator of the PDF file enabled the Fill-In form feature. In Adobe Reader 6 and later, you can export form data from a PDF file. You create FDF files in Acrobat by choosing Advanced > Forms > Export Forms Data (Acrobat 6 Professional) or File > Export > Form Data (Acrobat 5.x). FDF files are smaller than PDF files because they contain only form field data, not the entire form. FDF is a text file format specifically for data exported from PDF form fields. After the information has been added to form fields, you can gather information from the fields and save it in a Forms Data Format (FDF) file.
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