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体验COBOL语言

 3 years ago
source link: https://www.lujun9972.win/blog/2020/05/01/%E4%BD%93%E9%AA%8Ccobol%E8%AF%AD%E8%A8%80/index.html
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体验COBOL语言

最近由于新冠肺炎导致COBOL程序员短缺的报道时有发生，于是对这门超级古老的语言感到好奇。 经过一番搜索，居然发现archlinux上就有一个COBOL语言的编译器叫 gnucobol.

在它的官网上 有许多资料，包括COBOL编程指南 和 gnucobol本身的使用手册. 有兴趣的同学可以试试。

下面是一个COBOL版的Hello world 

000100* HELLO.COB GnuCOBOL example
000200 IDENTIFICATION DIVISION.
000300 PROGRAM-ID. hello.
000400 PROCEDURE DIVISION.
000500     DISPLAY "Hello, world!".
000600     STOP RUN.

前六位是标号， * 开头的行为注释行。给我的感觉是跟AS400上的RPG有点像。


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