Routines (alphabetical) > Routines: C > CDF Routines > CDF_VARRENAME

# CDF_VARRENAME

The CDF_VARRENAME procedure renames an existing variable in a Common Data Format file.

## Examples

See the example for CDF_VARGET.

## Syntax

CDF_VARRENAME, Id, OldVariable, NewName [, /ZVARIABLE]

## Arguments

### Id

The CDF ID, returned from a previous call to CDF_OPEN or CDF_CREATE.

### OldVariable

A string containing the current name of the variable or the variable number to be renamed.

### NewName

A string containing the new name for the variable.

## Keywords

### ZVARIABLE

If OldVariable is a variable ID (as opposed to a variable name) and the variable is a zVariable, set this flag to indicate that the variable ID is a zVariable ID. The default is to assume that OldVariable is an rVariable ID.

## Version History

Pre 4.0 | Introduced