diff 更新 检查脚本
工作中常需要对某些数据文件进行更新检查, 特写了个小脚本来完成.#!/usr/bin/env python# encoding: utf-8"""@filename : diff_check.py@Author : idup2x@gmail.com"""import sys, getopt_a_nums = 0_c_nums = 0_d_nums = 0def _handle_a(line): global _a_nums _l = line.split('a') if len(_l) > 1: _ll = _l.split(',') if len(_ll) > 1: _a_nums = _a_nums + int(_ll) - int(_ll) + 1 else: _a_nums = _a_nums + 1 else: print 'bad a is catched'def _handle_d(line): global _d_nums _l = line.split('d') if len(_l) > 1: _ll = _l.split(',') if len(_ll) > 1: _d_nums = _d_nums + int(_ll) - int(_ll) + 1 else: _d_nums = _d_nums + 1 else: print 'bad d is catched'def _handle_c_c(line): _l = line.split(',') if len(_l) > 1: _cnt = int(_l) - int(_l) + 1 return _cnt else: return 1def _handle_c(line): global _c_nums _l = line.split('c') if len(_l) > 1: _d0 = _handle_c_c(_l) _d1 = _handle_c_c(_l) if _d0 >= _d1: _c_nums = _c_nums + _d0 else: _c_nums = _c_nums + _d1 else: print 'bad c is catched'def _main(): global input_file_name _rf = open(input_file_name, "r") while 1: line = _rf.readline() if not line: break if -1 != line.find('a'): _handle_a(line) elif -1 != line.find('d'): _handle_d(line) elif -1 != line.find('c'): _handle_c(line) _rf.close()def _usage(): print "./check_change.py -i inputfile.diff"def _check_opt(): global input_file_name opts, args = getopt.getopt(sys.argv, "hi:o:") if ( len(sys.argv) < 2 ): _usage() sys.exit() for op, value in opts: if op == "-i": input_file_name = value elif op == "-h": _usage() sys.exit() else: _usage() sys.exit()if __name__ == "__main__": input_file_name = "file.diff" _check_opt() _main() print '增加:', _a_nums print '删除:', _d_nums print '更新:', _c_nums print '共计:', _a_nums + _d_nums + _c_nums
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