Manages interactions with server files. The following sections describe the actions of the cffile tag:. Note: To execute, this tag must be enabled in the ColdFusion Administrator.
For more information, see Configuring and Administering ColdFusion. If your ColdFusion applications run on a server used by multiple customers, consider the security of the files that could be uploaded or manipulated by cffile.
File management tags. If you provide file content in both the tag body and the output attribute, it results in an error. In the following example, the text provided in the body is written to myfile. Now assume that the file does not exist, then a new file myfile.
If the file exists, it is overwritten. To create an empty file, you have to provide at least a blank line in the tag body as shown in the following code:. Specify the extensions with a. That is, only. In this example, accept is set to. So, only files with. If the destination you specify does not exist, ColdFusion creates a file with the specified destination name. Name of form field used to select the file. Do not use number signs to specify the field name.
If omitted, it defaults to the name of the first file field submitted. Limits the MIME types to accept. It is a comma-delimited list. If the mime type is specified in the accept attribute, the file does not get uploaded if the extension is blocked in the server or application settings. If you provide a file extension in the attribute accept, the extension overrides the blocked extension list in the server or application settings.
The file then gets uploaded. Values specified in the attribute allowedExtensions overrides the list of blocked extensions in the server or application settings. Applies to Windows. A comma-delimited list of attributes to set on the file. If omitted, the file's attributes are maintained. Each value must be specified explicitly.
Octal values of chmod command. Assigned to owner , group, and other, respectively, for example:. Lets you specify a name for the variable in which cffile returns the result or status parameters.
If you do not specify a value for this attribute, cffile uses the prefix cffile. For more information, see Usage. By default, when uploading a file fails, the remaining files will not be uploaded. If this value is set to true, file upload continues even after encountering an upload error. A file upload error happens due to the following reasons:. But yesterday, I tried uploading a 42Meg pdf and it just sat there all night long.
Q: Is there something I should know regarding uploading larger files? I define larger as: the one that sat there all night long and never timed out and never uploaded. For instance, is there a cflib or Riaforge routine that was written to handle larger files? Check that as well. Check the maximum post size set in ColdFusion Administrator. If it is set lower than 48 MB then you would have issues. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. File upload too large Ask Question. Asked 11 years, 5 months ago.
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