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cffile action = "append"

Last update:
May 18, 2026

Description

Appends text to a text file on the server.

Syntax

<cffile 
action = "append" 
file = "full pathname" 
output = "string" 
addNewLine = "yes|no" 
attributes = "file attributes list" 
charset = "characterset option" 
fixnewline = "yes|no" 
mode = "mode">
Note: You can specify this tag's attributes in an attributeCollection attribute whose value is a structure. Specify the structure name in the attributeCollection attribute and use the tag's attribute names as structure keys.

See also

cfdirectory

History

See the History section of the main cffile tag page.

Attributes

Attribute
Req/Opt
Default
Description
action
Required
Type of file manipulation that the tag performs.
file
Required
Pathname of the file to which to append content of output attribute.
If not an absolute path (starting with a drive letter and a colon, or a forward or backward slash), it is relative to the ColdFusion temporary directory, which is returned by the GetTempDirectory function.
output
Required
String to append to the file.
addNewLine
Optional
yes
  • yes: appends newline character to text written to file.
  • no
attributes
Optional
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. For example, if you specify attributes = "readOnly", all other attributes are overwritten.
  • readOnly
  • hidden
  • normal
charset
Optional
JVM default file character set
The character encoding in which the file contents is encoded. The following list includes commonly used values:
fixnewline
Optional
No
  • yes: changes embedded line-ending characters in string variables to operating-system specific line endings
  • no: (default) do not change embedded line-ending characters in string variables. For an example that uses this attribute, see cffile action = "write".
mode
Optional
Applies only to UNIX and Linux. Permissions. Octal values of UNIX chmod command. Assigned to owner, group, and other, respectively; for example:
  • 644: assigns read/write permission to owner; read permission to group and other.
  • 777: assigns read/write/execute permission to all.

Example

<!--The first example creates the file \temp\foo on a windows system and sets attributes to normal. ---> 
<cffile action = "write" file = "\temp\foo" attributes = normal output = "some text"> 

<!--- The second example appends to the file. ---> 
<cffile action = "append" file = "\temp\foo" attributes = normal output = "Is this a test?">

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