bSuccess is
true if the function is successful or false if not.change_dir_up
The change_dir_up function changes the current directory to one level higher in the file system. If the current directory is considered to be a subdirectory (or "child" directory), this function moves the current directory up to the the parent directory.
bSuccess, sMsg = change_dir_up()
bSuccess is
true if the function is successful or false if not.
sMsg is an
optional message string that recieves information about the
failure.
To change to a specific directory use change_dir.
Directory Functions, change_dir, get_dir
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