Fix copy command erroring.
Fix copy command erroring.

Message:
    + cp --interactive --verbose file.text file_2018-12-31_000000.txt
    cp: illegal option -- -
    usage: cp [-R [-H | -L | -P]] [-fi | -n] [-apvXc] source_file target_file
           cp [-R [-H | -L | -P]] [-fi | -n] [-apvXc] source_file ... target_directory

dot-star/dot-star,zborboa-g/dot-star