Update cut.md (#458)

截取最后N 个字符
2022-12-03 17:03:33 +08:00 · 2022-12-03 17:03:33 +08:00 · 8980bfcc35
parent 323db5aced
commit 8980bfcc35
1 changed files with 13 additions and 0 deletions
--- a/command/cut.md
+++ b/command/cut.md
@ -157,4 +157,17 @@ efghijklmnopqrstuvwxyz
 efghijklmnopqrstuvwxyz
 ```

+打印最后5个字符: 
+
+遗憾的是, `cut`并没有提供最后字符的支持. 不过我们可以通过字符串反转来实现. 
+
+```shell
+[root@localhost text]# cat test.txt| rev | cut -c -5 | rev
+vwxyz
+vwxyz
+vwxyz
+vwxyz
+vwxyz
+```
+
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