Tony, I don't know what OS/platform you are using, but CFEXECUTE should do what you want.
Recently I was working on this exact problem. The application is a content management system for an advertising agency. When Jobs are updated, sometimes HUGE files need to be moved, hundreds of megabytes in fact. The best way I found to do this was to spawn a batch file with cfexecute, set the timeout to 0, which is a non-blocking mode of execution. This means the process will run in the background and return control to the browser right away. The batch file can execute a ColdFusion template that will do the requested file manipulation, OR you can use your operation system's native file commands and then send the execution to a ColdFusion template to send the email confirmation. The possibilities are somewhat large if not endless. What I've done is take this process and update a database field, effectively locking access to parts of the Job until file executions are done. You can even create a queue for pending file operations in this way! Also, another trick you can do is to execute the cf templates from the batch file with the user's session id, namely cfid and cftoken. In addition, if they have to log in, you can have a page where they can go to view the status of the file operations in progress, merely by reading a value from the database. You have to be careful because you can run into some problems when you get this granular. An example would be a process that is spawned goes off into never-never land. This is why there should be some kind of reporting for long running spawned processes. There are many ways to accomplish that, though. Have fun! Andy > -----Original Message----- > From: Tony Schreiber [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, December 11, 2001 4:10 PM > To: CF-Talk > Subject: RE: Send response to browser, but continue working on request? > > > No, I want the browser to request a page that returns immediately (so the > broswer isn't waiting for a request to be completed and ultimately time > out), but "spawns" a long-running request that will create the requested > file and then email it to the user... > > I think the previously posted javascript/cfflush might work... > > > you are wanting the browser to make a request for a file but > not wait for > > the file to be retrieved? if so, I don't think that's feasible. > a general > > solution for the problem of generating the email would be to have a <img > > src="createfile.cfm"> that can send out the email and you can show them > > whatever message you'd like to show them and the browser > waiting for more > > should have no effect on the cfm or on the user. > > > > -----Original Message----- > > From: Tony Schreiber [mailto:[EMAIL PROTECTED]] > > Sent: Tuesday, December 11, 2001 9:33 AM > > To: CF-Talk > > Subject: Re: Send response to browser, but continue working on request? > > > > > > That let's me get a message to the browser, but the request is still > > running and the browser is still waiting... > > > > I want to browser to stop waiting... > > > > > Have you tried cfflush? I believe this tag will allow you to > send partial > > > responses to the browser. I might have spelled it wrong, but > I am sure > > > there is a function in CF. > > > > > > David > > > > > > > > > ----- Original Message ----- > > > From: "Tony Schreiber" <[EMAIL PROTECTED]> > > > To: "CF-Talk" <[EMAIL PROTECTED]> > > > Sent: Tuesday, December 11, 2001 7:17 AM > > > Subject: Send response to browser, but continue working on request? > > > > > > > > > > I have a function that allows a user to create a file of available > > > > inventory. The problem is that it takes a long time and > eventually the > > > > browser will timeout, but they haven't gotten their file yet... > > > > > > > > What I want to do is let the user make the request and then > respond with > > > > "Thank you for your request. Your file will be created and > emailed to > > you > > > > shortly". > > > > > > > > How can I "spawn" off the part that will actually create > the file and > > > > still respond with a finished request to the browser? > > > > > > > > > > > > Tony Schreiber, Senior Partner Man and > Machine, Limited > > > > mailto:[EMAIL PROTECTED] > http://www.technocraft.com > > > > > > > > http://www.simplemessageboard.com ___Free Forum Software > for Cold Fusion > > > > http://www.is300.net ___________The Enthusiast's Home of > the Lexus IS300 > > > > http://www.digitacamera.com ______________DigitA Camera > Scripts and Tips > > > > http://www.linklabexchange.com _____________Miata Link ECU > Data Exchange > > > > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Get the mailserver that powers this list at http://www.coolfusion.com FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/[email protected]/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
