###############################################################################################################
# Script name: db2pd_immmdb_tab.py
# Script description: Get "db2pd -d <dbname> -tab" information
# Current Release Version: 1.0.0
# Script Owner: He ,Haibo
# Latest editor: He, Haibo
# Support platform:  Linux OS for Linux and windows Python Version 3.9.
# Change log: None
# Description:Date 2022/2/11
#
#
###############################################################################################################
import linecache
import re

str_start = "TCB Table Stats:"
str_end = "TCB Index Information:"


def fileTest(str_start, str_end):
    line_num = 0
    read_num = 0
    str_start_num = 0
    str_end_num = 0
    list1 = []
    #    msg = "There is no result"
    with open(r"C:/python/aaa.out", 'r') as file:
        for line in file.readlines():
            line_num = line_num + 1
            if str_start in line.strip():
                str_start_num = line_num
            if str_end in line.strip():
                str_end_num = line_num
                break
    for read_num in range(str_start_num + 1, str_end_num):
        theline = linecache.getline("C:/python/aaa.out",
                                    read_num)  # 第一个参数指读取的文件，第二个参数指文件的行数
        #     s = theline.strip().re.split(r"[#]+")[2]

        st = re.split(r"[ ]+", theline)
        st1 = st[1:4]
        st2 = st[11:14]
        st3 = st1 + st2
        print(st3)
#      print(s)


def main():
    fileTest(str_start, str_end)


if __name__ == "__main__":
    main()

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Python