001、
[root@PC1 test05]# ls
a.txt test.py
[root@PC1 test05]# cat a.txt ## 测试数据
3333
gene
9999
kkkk
gene
7777
8888
gene
gene
0000
6666
[root@PC1 test05]# cat test.py ## 测试程序
#!/usr/bin/env python
# -*- coding: utf-8 -*-
in_file = open("a.txt", "r")
out_file = open("result.txt", "w")
idx = 100
for i in in_file:
i = i.strip().split()
if i[0] == "gene":
print("".join(i), file = out_file)
idx = 1
if i[0] != "gene" and idx == 1:
print("".join(i), file = out_file)
idx += 1
in_file.close()
out_file.close()
002、
[root@PC1 test05]# ls a.txt test.py [root@PC1 test05]# cat a.txt 3333 gene 9999 kkkk gene 7777 8888 gene gene 0000 6666 [root@PC1 test05]# python3 test.py ## 执行程序 [root@PC1 test05]# ls a.txt result.txt test.py [root@PC1 test05]# cat result.txt ## 结果文件 gene 9999 gene 7777 gene gene 0000
标签：txt,匹配,python,PC1,file,字符串,gene,root,test05 From： https://www.cnblogs.com/liujiaxin2018/p/17467716.html