Linux shell basic2 cat find tr
摘要：
Cat stands for concatenate.Case 1.When the text files have more blank lines, we want to remove them.We can use regex \s+ '\n'.cat file.txt | tr \s '\n... 阅读全文
posted @ 2015-02-15 21:34 tneduts 阅读(216) 评论(1) 推荐(0) 编辑
