Save files (SAVF) are great for transferring iSeries and AS/400 objects between OS/400-based machines. Whether it's a group PTF, a file, a library or even a licensed program, save files can quickly zip large amounts of information between two AS/400s, especially if the save files are transmitted via FTP.
Unfortunately, there's a little bit of misunderstanding about how to properly FTP save files between two AS/400s. There are a few simple, but hard-fast, rules that users must follow to successfully transfer save files. To that end, here's my formula for FTPing save files between iSeries and AS/400 machines.
Given these rules, here's two FTP scripts that show how you would transfer the same save file from one AS/400 to another using either the NAMEFMT 0 or NAMEFMT 1 file naming conventions.
For a NAMEFMT 0 FTP transfer, a typical FTP save file transfer might use these commands:
In this case, you may decide not to use both the CRTSAVF and CLRSAVF commands together, but I put them in this session sample for illustration.
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For a NAMEFMT 1 FTP transfer, a typical FTP save file transfer might use these commands:
You could also execute the CLRSAVF command through QUOTE RCMD if the save file already exists on your target and it needs to be cleared before the transfer. Using a NAMEFMT 1 transfer makes it easier to create save files on your target system, but you have to code your GET, MGET, PUT and MPUT commands to proper specify file names in the IFS naming convention.
As you can see, transferring save files between AS/400s isn't that bad once you understand the rules. If you play around with the simple rules and techniques I discussed here, you'll be successfully FTPing save files between your AS/400 machines in no time.
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About the author: Joe Hertvik is an IT professional and freelance writer who has been working with OS/400 since the days of the System/38 in the mid-1980s. Joe can be reached at jhertvik@midrangeserver.com.
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