On 2017-12-11, at 12:07:18, Mark Boonie wrote:

> I grew leery of CMS UPDATE when I found it couldn't handle updating files 
> that contain lines that look like update control cards.  I know it's not very 
> likely that anyone would ever maintain an UPDATE file by using UPDATE, but 
> stuff like that always makes me wonder what else isn't being handled 
> correctly.
>  
The problem is more likely to occur on z/OS where JCL members are
likely to contain IEBUPDTE steps.

Again, diff/patch handle this nicely.

-- gil

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