Kurtis Rader 63d601610d implement -nnn style flags in argparse ...

This implements support for numeric flags without an associated short or
long flag name. This pattern is used by many commands. For example `head
-3 /a/file` to emit the first three lines of the file.

Fixes #4214

2017-07-13 20:36:59 -07:00

869 B

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