awk脚本使用的几种方法

1. awk名包含在文件内

[root@nhserver1 08]# cat sample.txt
aaa
bbb
ccc

[root@nhserver1 08]# cat readsample.awk
awk '
{
print
}' sample.txt

[root@nhserver1 08]# ./readsample.awk
aaa
bbb
ccc

2. awk名包含在命令行上

[root@nhserver1 08]# cat sample.txt
aaa
bbb
ccc

[root@nhserver1 08]# cat readsample2.awk
{
print
}

[root@nhserver1 08]# awk -f readsample2.awk sample.txt
aaa
bbb
ccc