On Fri, 9 Dec 2022 08:54:03 +0000, Ian Worthington wrote: >When I run JCL with >//PCAPFN DD PATHOPTS=(OCREAT,ORDWR,OTRUNC), >// PATHMODE=..., PATH=... // FILEDATA='BINARY' > >any existing file gets extended. Yet > ... > - OTRUNC > - Specifies that the system is to truncate the file length tozero if all > the following are true: > - ... > - The file is a regular file. > - ... A Google search suggests that ddname PCAPFN tehds to be associaged with a network utility. If the file is a network file rather than a regular file, the rule would not apply.
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