preserves multiple spaces in the file name
In case others are puzzled let's share the enlightenment and explain what is going on. The reason spaces are preserved is that the file name field is never actually split. First, the line is broken into nine fields.
1 2 3 4 5 6 7 8 file name 10 11 12 13 14 15 16 17 18
^ ^ ^ ^ ^ ^ ^ ^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Then the last field from the first split operation is reversed and broken into 10 fields.
81 71 61 51 41 31 21 11 01 eman elif
^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^^^^^^^^^^^^
Finally the last field from the second split operation is reversed to obtain the file name.
Note that spaces in the file name will be preserved but if the file name has leading and/or trailing spaces the method fails as they will be lost.
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