Linux查看文件内容空白行不编号

Linux314

 description

在Linux中查看 cmdhelp.txt 内容，并对非空白行编号

 command

cat -b cmdhelp.txt

 parameter

cat : 查看文件内容
-b, --number-nonblank : 对非空白行进行编号

 result

     1  a
     2  b
     3  c
     4  d

     5  e
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