STRLEN

Syntax | Return Value0 | Arguments | Keywords | Examples | Version History

The STRLEN function returns the length of its string-type argument. If the argument is not a string, it is first converted to string type.

Syntax

Result = STRLEN(Expression)

Return Value0

Returns the string length.

Arguments

Expression

The expression for which the string length is desired. If this parameter is not a string, it is converted using IDL's default formatting rules in order to determine the length. The result is a long integer. If Expression is an array, the result is a long integer array with the same structure, where each element contains the length of the corresponding Expression element.

Keywords

None.

Examples

To find the length of the string "IDL is fun" and print the result, enter:

PRINT, STRLEN('IDL is fun')

IDL prints:

   10 

Version History