+
+//usage:#define split_trivial_usage
+//usage: "[OPTIONS] [INPUT [PREFIX]]"
+//usage:#define split_full_usage "\n\n"
+//usage: " -b N[k|m] Split by N (kilo|mega)bytes"
+//usage: "\n -l N Split by N lines"
+//usage: "\n -a N Use N letters as suffix"
+//usage:
+//usage:#define split_example_usage
+//usage: "$ split TODO foo\n"
+//usage: "$ cat TODO | split -a 2 -l 2 TODO_\n"
+