qpafilter: fix --output, add doc
* qpafilter: fix --output, add doc
The parameter to --output should not be optional, but required,
as it is invalid to run qpafilter as
$ qpafilter dump --output
Add qpafilter.md documentation.
@@ -466,7 +466,7 @@ def parse_args():
help='Input blob file')
dump.add_argument('-o', '--output', type=argparse.FileType('w'),
- default=sys.stdout, nargs='?',
+ default=sys.stdout,
help='Output text file (default=stdout)')
dump.add_argument('-F', '--format',
