blob: 8d88399aee9b8fde8854bf7eb027e49bea0e5fdf (
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#!/usr/bin/python
import cliapp
class MakeSparseFile(cliapp.Application):
def add_settings(self):
self.settings.add_bytesize_setting(['size'],
'size of whole to append to file')
def process_args(self, filenames):
if self.settings['size'] > 0:
for filename in filenames:
self.append_hole(filename, self.settings['size'])
def append_hole(self, filename, size):
f = open(filename, 'r+b')
f.seek(size - 1, 2)
print 'pos:', f.tell()
f.write('\0')
f.close()
if __name__ == '__main__':
MakeSparseFile().run()
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