myCobol.net attracts script kiddies
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myCobol.net: pushing Cobol into open Source
Welcome to myCobol.net Monday, 04 July 2022, 07:25
Cobol has no global data, i.e. data items that are shared among several program units (subroutines). The only way to pass information is to use the call parameter list. Sometimes this is obfuscating the Cobol text, e.g., when many subroutines share a large set of parameters. In such cases one can use a common block. This is a way to specify that a set of data items should be shared among subroutines. But in general, the number of common blocks should be minimized.
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