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This is a simple hello world program for testing git on z/OS. It's meant to be used in conjunction with Using git for z/OS with GitHub on the Rocket Community Forum.

Here's a suggested scenario demonstrating how git can work with MVS datasets:

  • Clone this repository. If you want to push changes, fork it instead and then clone the fork.
  • cd into the repo and type make. This will compile and link the code and test the resulting executable.
  • Run ./allocate.sh. This will create three PDSes (named DEMO.{H,C,TXT}) on MVS that will contain members corresponding to the source files in the Unix file system.
  • Run ./to_pds.sh to populate the PDSes. This would be run any time the git repo is refreshed (via git pull).
  • Log into TSO, edit one of the source files, and save it.
  • Back at the Unix command line, run ./from_pds.sh to copy the files back from MVS to Unix. This will also run a git status command, showing the changes.
  • When all done, run ./cleanup.sh to delete the MVS datasets.