The SUBSTR function returns the substring of string that begins at the nth character and is of length length, padded with pad if necessary. SUBSTR( string , n ,length,pad ) The n must be a positive whole number. If n is greater than LENGTH(string), then only pad characters are ...
z/OS TSO/E REXX Reference SA32-0972-00 In EBCDIC: SUBSTR('<><.A><><.B><.C.D>',1,2)->'<.A><><.B>' DELSTR('<><.A><><.B><.C.D>',1,2)->'<><.C.D>' SUBSTR('<.A><><.B><.C.D>',2,2)->'<.B><.C>' DELSTR('<.A><><.B><.C.D>',2,2)->'<....
The basic function of system 600 is to add or subtract two integers of a specified base. The integers can be of any length (i.e., the number of digits is only limited by the amount of system memory). Furthermore, the base system for the two integers is selectable within the range ...