如何获取每个月的第一个星期四的日期？

Shell_HAT

回复 20# expert1


exit不受if的约束

blackold

回复 20# expert1


    无语了。

expert1

哦，明白了，这里的exit是不是相当于seq的Q啊，无条件退出。难怪我试了多次都不行呢

那我这里如何改啊

bbgg1983

回复 23# expert1

Shell_HAT

回复 23# expert1


加花括号，见6楼。

bbgg1983

回复 25# Shell_HAT
6楼的那个代码是不对的，直接判断$5不科学

Shell_HAT

回复 26# bbgg1983


赞同，非常的不科学。
就当做一个反面教材吧：）

expert1

加{}有什么不同啊？

blackold

回复 28# expert1


    参考 http://bbs.chinaunix.net/thread-1709333-1-1.html

expert1

The exit Statement
The exit statement causes awk to immediately stop executing the current rule and to stop processing input; any remaining input is ignored. The exit statement is written as follows:

     exit [return code]

When an exit statement is executed from a BEGIN rule, the program stops processing everything immediately. No input records are read. However, if an END rule is present, as part of executing the exit statement, the END rule is executed (see BEGIN/END). If exit is used as part of an END rule, it causes the program to stop immediately.

An exit statement that is not part of a BEGIN or END rule stops the execution of any further automatic rules for the current record, skips reading any remaining input records, and executes the END rule if there is one.