Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario descargar pdf (Pagina 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)

1 2 ... 118 119 120 121 122 123 124 125 126 127 128 ... 166 167

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Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario Pagina 123