Linux command – wc

#wc – Count bytes / words / lines

[root@benjr ~]# cat text.txt
This is a book.
That is a dog.

• # wc –c 計算出檔案有多少個字元

  [root@benjr ~]# wc –c text.txt
  31 text.txt
  

  就是計算出有幾個 a,b,c…包含字元數字和標點符號,空白和換行都算是一個字元.

• # wc -l計算出檔案一共有幾行.

  [root@benjr ~]# wc –l text.txt
  2 text.txt
  

  所以一共兩行.

• # wc –w 計算出檔案有多少個單字

  [root@benjr ~]# wc –w text.txt
  8 text.txt
  

  This is a book 有四個單字,而 This is a dog 也有四個單字所以一共 8 個單字.