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- def truncae(self, pgno, maximumSize):
- buffer = [0]*maximumSize
- limit = 1024
- count = 0
- # opens the file for read and append
- f = open("F:/labOS/funner.dat", "r+")
- if f:
- # moves the pointer
- f.seek(pgno*1024+maximumSize)
- # instead of trimming the file it actually overwrites the file with empty spaces
- for i in range(limit):
- buffer[count] = " "
- f.write(str(buffer[count]))
- f.close()
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