slIsFileChangedOnDisk

Determine whether model has changed since it was loaded

Syntax

tf = slIsFileChangedOnDisk(sys)

Description

tf = slIsFileChangedOnDisk(sys) returns whether the file that contains block diagram sys has changed on disk since the block diagram was loaded.

Examples

Return Error When File Has Changed

To ensure that code is not generated for a model whose file has changed on disk since it was loaded, include the following in the 'entry' section of the STF_make_rtw_hook.m file.

if (slIsFileChangedOnDisk(sys))
	error('File has changed on disk since it was loaded. Aborting code generation.');
end

For more information, see Customize Build Process with STF_make_rtw_hook File (Simulink Coder).

Input Arguments

sys — System name

character vector | string scalar

System name, specified as a character vector or string scalar.

Data Types: char | string

Output Arguments

tf — True or false result

1 | 0

True or false result, returned as a 1 or 0 of data type logical.

• 1 (true) — File that contains block diagram sys has changed on disk since the block diagram was loaded.

• 0 (false) — File that contains block diagram sys has not changed on disk since the block diagram was loaded.

Version History

Introduced in R2007b