File read and Write in Legato 18.09.0

[jyijyi]

you can see here:

How to write data to a file outside sandbox

From Application Definition .adef - Legato Docs Note Even though the file system object appears in the app’s sandbox it still needs permissions settings on the file. File permissions (both DAC and MAC) and ownership (group and user) on the original file in the target system remain in effect inside the sandbox. Each sandboxed application runs as a separate user. You’ll have to set the permission so that your sand boxed application can write to the file. In my case, the app names is “HelloWor…