Linux 中find命令未找到时不显示错误信息

 

001、

[root@pc1 test]# ls
a.txt  b.txt  c.txt  d.txt  e.txt  f.txt  g.txt  h.txt  index.txt
[root@pc1 test]# cat index.txt     ## 查找的索引文件
a.txt
b.txt
x.txt
y.txt
c.txt
z.txt
d.txt
[root@pc1 test]# for i in $(cat index.txt); do find ${i}*; done      ## 一般查找，未找到则返回错误信息
a.txt
b.txt
find: ‘x.txt*’: No such file or directory
find: ‘y.txt*’: No such file or directory
c.txt
find: ‘z.txt*’: No such file or directory
d.txt
[root@pc1 test]# for i in $(cat index.txt); do find ${i}* 2> /dev/null; done    ## 错误重定向到 /dev/null
a.txt
b.txt
c.txt
d.txt

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