Omron CX-PROGRAMMER V8.1 - Page 214

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Function Descriptions Appendix C
•Example
INSERT: Insert Characters
• Function
Inserts the specified characters into a text string.
• Application
Return_value := INSERT(Source_string, Insert_string, Position);
• Arguments and Return Values
•Example
DELETE: Delete Characters
• Function
Deletes the specified number of characters starting from the specified position of the specified text
string.
• Application
Return_value := DEL (Source_string, Number_of_characters, Position);
• Arguments and Return Values
Variable name Data type Description
Source_string STRING Specifies the text string into which to insert char-
acters.
Insert_string STRING Specifies the text string to be inserted.
Position INT, UINT Specifies the position at which to insert charac-
ters. The first character is position “1” (e.g., posi-
tion 1 is “A” in message 1 in the following
illustration).
Return_value STRING Returns the text string with the characters
inserted.
Variable name Data type Description
Source_string STRING Specifies the text string from which to delete
characters.
Number_of_characters INT, UINT Specifies the number of characters to delete.
Position INT, UINT Specifies the position from which to delete
characters. The first character is position “1”
(e.g., position 1 is “A” in message 1 in the fol-
lowing illustration).
Return_value STRING Returns the text string with the specified
number of characters deleted.
Message 1
Variables
STRING Message1
STRING Message2
STRING Message3
STRING Result
Result:=CONCAT(Message1,Message2,Message3);
→ "ABCDEFGH" is stored in the Result variable.
A B C D E F G H
A B C D E F G H
Message 2 Message 3
Result
Message 1
Variables
STRING Message1
STRING Message2
STRING Result
Result := INSERT(Message1, Message2, 2);
→ "ABEFGHC" is stored in the Result variable.
Message 2
Result
A B C D E F G H
A B C DE F G H