Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

An access descriptor contains information about the IMS-DL/I database you want to use. The information includes the IMS-DL/I database name, the IMS-DL/I field names and their default SAS formats, ...

An access descriptor contains information about the SYSTEM 2000 database you want to use. The information includes the database name, the item names, and their item types. You use the access ...