Obtains a string describing the system error identified by the error
number.
Returns a string with the description of the error, or an empty string
if no description is available.
- errornumber
The error number for which a description is to be retrieved.
Note that both the error number and the descriptive text are operating-system
specific.
Example 8.17. RexxUtil — SysGetErrorText
-- Windows: Cannot create a file when that file already exists.
say SysGetErrorText(SysMkDir("\Users"))
-- Unix-like system: File exists
say SysGetErrorText(SysMkDir("/usr"))
