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python - file line count
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| #! /usr/bin/python | |
| """ | |
| Usage: ./file.line.count.py <filename> | |
| Example: ./file.line.count.py error.log | |
| """ | |
| import sys | |
| if len(sys.argv) != 2: | |
| print (__doc__) | |
| sys.exit(58) | |
| filename = sys.argv[1] | |
| num_of_lines = sum(1 for line in open(filename)) | |
| print num_of_lines |
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