Rockwell-automation 1746-BAS BASIC LANGUAGE Manual de usuario descargar pdf (Pagina 251)

Publication 1746-RM001A-US-P

String Functions 15-9

CALL 67 – Delete a

String in a String

Purpose

Use CALL 67 to delete a string from within another string. The CALL expects two

arguments. The first argument is the base string number. The second is the number

of the string deleted from the base string. This routine has no output arguments.

Syntax

PUSH [base string number]

PUSH [deleted string number]

CALL 67

Example

>1 REM EXAMPLE PROGRAM

>10 REM ROUTINE TO DELETE A STRING IN A STRING

>20 STRING 200,14

>30 $(1) = “123456789012”

>40 $(2) = “12”

>50 PRINT “BEFORE:”

>60 PRINT “$(1) = ”,$(1)

>70 PUSH 1 : REM BASE STRING NUMBER

>80 PUSH 2 : REM STRING NUMBER OF THE STRING DELETED

>90 CALL 67 : REM INVOKE STRING DELETE ROUTINE

>100 PRINT “AFTER:”

>110 PRINT “$(1) = ”,$(1)

>120 END

READY

>RUN

BEFORE:

$(1) = 123456789012

AFTER:

$(1) = 3456789012

READY

IMPORTANT

This routine deletes only the first occurrence of the string.

1 2 ... 246 247 248 249 250 251 252 253 254 255 256 ... 279 280

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Rockwell-automation 1746-BAS BASIC LANGUAGE Manual de usuario Pagina 251