Linux shell 脚本攻略学习笔记八之wc命令
1.wc 命令
wc - print newline, word, and byte counts for each file [打印每个文件的换行,单词,字节数。]
-l, --lines
print the newline counts
-w, --words
print the word counts
2.示例如下
[root@server4 shells]# echo -e "hello spark \nwo men dou shi hao hai zi \n"
hello spark
wo men dou shi hao hai zi
[root@server4 shells]# echo -e "hello spark \nwo men dou shi hao hai zi \n" | wc -w
9
[root@server4 shells]# man wc
[root@server4 shells]# echo -e "hello spark \nwo men dou shi hao hai zi \n" | wc -l
3