External REXX functions

FM/Db2 provides the following external REXX functions that you can use in addition to the built-in REXX functions described in the OS/390® TSO/E REXX Reference.
CHANGE
Change a character string
CONTAINS
Check for character values
FLD
Refer to a field from the current input record
NCONTAIN
Check for numeric values
PRINT
Print a record
PRTCOUNT
Count of records printed
RECSIN
Count of records read
RECSOUT
Count of records written to a given data set
TALLY
Total a field value and report the total
TM
Test a string for a bit value
WRITE
Write a record
Note: You can only use these FM/Db2-specific REXX external functions, and the INREC and OUTREC variables, in a REXX procedure specified by the Use REXX proc field). You cannot use these functions and variables in REXX procedures outside of this FM/Db2 environment.