slIsFileChangedOnDisk

R2026b

Check whether model has changed since loading

Syntax

tf = slIsFileChangedOnDisk(sys)

Description

tf = slIsFileChangedOnDisk(sys) returns whether the file containing the specified model has changed on disk since the model 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 — Model to check

model name

Name of model to check, specified as a string or character vector.

Example: "myModel"

Data Types: string | character vector

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 model was loaded.

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

Data Types: logical

Version History

Introduced in R2007b