awk的控制语句

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本章主要讲actions中的控制语句,和C语言的控制语句类似。

1.选择语句

if (condition)
then-body
else
else-body

2.循环语句之while:

while (condition)
body

3.循环语句之do-while:

do
body
while (condition)

4.循环语句之for:

for (initialization; condition; increment)
body
for (i in array)
{ body}

  

5.循环语句之switch:

switch (expression) {
case value or regular expression:
case-body
default:
default-body
}

6.循环语句之continue,break

continue 继续下一个循环

break 跳出当前循环

05-19 04:33
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