001、
(base) root@PC1:/home/test2# ls a.txt test.py (base) root@PC1:/home/test2# cat a.txt ## 测试数据 e d d f k d d e k d f j e f j (base) root@PC1:/home/test2# sed -n l a.txt ## 查看间隔符 e d d f k$ d\t\t\t\td$ e k d f$ j e f\tj$ (base) root@PC1:/home/test2# cat test.py ## 测试程序 #!/usr/bin/pyton import re in_file = open("a.txt", "r") out_file = open("result.txt", "w") for i in in_file: i = i.strip() i = re.sub(r"([\t ])+", "\t", i) print(i, file = out_file) (base) root@PC1:/home/test2# python test.py ## 执行程序 (base) root@PC1:/home/test2# ls a.txt result.txt test.py (base) root@PC1:/home/test2# cat result.txt ## 执行结果 e d d f k d d e k d f j e f j (base) root@PC1:/home/test2# sed -n l result.txt e\td\td\tf\tk$ d\td$ e\tk\td\tf$ j\te\tf\tj$