More sample REXX Code

Additional examples:

PGMHIST

return linkedit attributes for an HFS executable.

DYNALC

use BPXWDYN to dynamically allocate a dataset. This can also be used from TSO or batch environments.

GETENV

return the value of the specified environment variable. For example, getenv _BPX_SHAREAS

SMPNAME

find HFS files with the same inode as a specified file. It can be used to relate the name typically used by users, e.g. /bin/find, to the element name used by SMP/E.

SUBJOB

submit a job to JES from stdin, e.g. subjob RDASCII

read a file stored in ASCII format and convert to display format. It can be pipeed; it invokes iconv "under the covers". This could also be implemented as an alias.

IOPT6

invoke ISPF option 6 when OMVS has been entered from ISPF or TSO. Note that ISTART must be present in the SYSPROC or SYSEXEC concatenation for the TSO session used to invoke OMVS. ISTART determines whether the TSO session is running ISPF or not and invokes the appropriate command and is invoked by IOPT6 when ISPF does not appear as active in the same address space as the OMVS process.

DOMOUNT

parse BPXPRMxx and issue the corresponding MOUNT commands to attempt to remount any file systems that may have been unmounted. Parsing is somewhat simple-minded.

RUNUNIX

run a command under the Unix System Services shell using BPXWUNIX

FILTER

invoke a command for each input line of stdin, for example: filter "say _inrec_" <some.file (_inrec_ contains the input line)

We are currently running z/OS 1.8. These samples work in our environment, but they may need to be reworked for a different environment. These samples are provided "as is". No warranty or support is expressed or implied.

Comments or suggestions can be sent to the author.

For More Information

• Using REXX and Unix System Services
• TSO/E REXX User's Guide
• TSO/E REXX Reference
• BPXWDYN:Text Interfact to Dynamic Allocation and Dynamic Output - BPXWDYN is shipped with OS/390. With z/OS, BPXWDYNs is described in the "Using REXX and z/OS Unix System Services Publication".

There are more examples back on the Unix System Services & REXX page. You can also visit the REXX page or the OMVS page here.

These samples are provided "as is". No warranty or support is expressed or implied.