That’s pretty much COBOL syntax: https://www.ibm.com/docs/en/debug-for-zos/17.0.x?topic=commands-set-command-cobol https://www.ibm.com/docs/en/debug-for-zos/17.

That’s pretty much COBOL syntax: https://www.ibm.com/docs/en/debug-for-zos/17.0.x?topic=commands-set-command-cobol https://www.ibm.com/docs/en/debug-for-zos/17.0.x?topic=comma... Except that COBOL doesn’t allow an arithmetic expression there, so you have to write COMPUTE X = X + 5. instead. ;)