Now, if I can figure out how to do the over punch on this keyboard. :)
Job control language was more like assembler with very, very simple
operations. The problem was that a lot of verby things got put into the
operands.
DD means data definition. The first symbol, SYSIN in this case, is the
name that the program will open. The operands after the DD operation
specified the device at which SYSIN pointed. Splat was a sort of `here'
document. The /* was the end-of-file for it.
Everyone I knew carried the Brown book which has examples of the common
permutations. You had to modify for your local OS installation. The
Brown book was actually blue. The fellow should have been named Black.
Because after banging your head on JCL it was Black and blue--not
Brown and blue.
Skip Tavakkolian wrote:
bundles are implemented by here documents,
and the end marker for the document must not appear
in the data
vague recollection (1982), it was something like:
//SYSIN DD *
data
records
go
here
/*
