Rockwell Automation 1771-DB Basic Module User Manual - Series A - Manual (Page 123)

Operating Functions
Chapter 5
5–86
5.10.3.8
Delete String from a String – CALL 67
This routine deletes a string from within another string. The call expects
two arguments. The first argument is the base string number. The second is
the string number of the string to be deleted from the base string. This
routine has no return arguments.
Important: This routine deletes only the first occurrence of the string.
u10 REM ROUTINE TO DELETE A STRING IN A STRING
u20 STRING
200,14
u30 $(1)=“123456789012”
u40 $(2)=“12”
u50 PRINT “BEFORE: $1=“,$(1)
u60 PUSH 1 :REM BASE STRING NUMBER
u70 PUSH 2 :REM STRING NUMBER OF THE STRING TO BE DELETED
u80 CALL 67 :REM INVOKE STRING DELETE ROUTINE
u90 PRINT “AFTER: $1=”,$(1)
u100 END
uRUN
BEFORE: $1=123456789012
AFTER: $1=3456789012
READY
5.10.3
String Support Calls
(continued)