Deletion Of Character String From Specified Position - Mitsubishi Electric MELSEC Q Series Programming Manual

6 IEC FUNCTIONS

6.10.7 Deletion of character string from specified position

n characters of character string is deleted from the specified position and later of the specified character string.
Function definition
Function definition
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STRING DELETE( STRING S1, INT n, INT POS );
Argument
Argument Name IN/OUT
S1 IN
n IN
POS IN
Return value
Return Value
STRING Deletion result (character string data)
Remarks: This function cannot be used with the Basic model QCPU.
Secure the area of the number of characters after deletion + 1 character as
the data area that will store the character string data after deletion.
If the deletion position POS is 0, n characters of character string will be
deleted, starting at the end (right) of the data to be deleted S1.
Example of use
Argument Type
STRING w_Str2 := DELETE(
w_Str1,w_Word1, w_Word2 );
BOOL DELETE_E( BOOL EN, STRING S1, INT n, INT POS, STRING D1 );
Argument
Argument Name IN/OUT
EN IN
S1 IN
n IN
POS IN
D1 OUT
Remarks: Secure the area of the number of characters after deletion + 1 character as
the data area that will store the character string data after deletion.
Return value
Return Value
BOOL Execution condition
Example of use
(* When execution condition X0 turns ON, the character string of the number of
(* characters specified in iData1 is deleted, starting at iData2 from the head of
(* the character string data in sData, and the result is stored into Result.)
M0 := DELETE_E( X0, sData, iData1, iData2, Result ) ;
DELETE
DELETE_E
Data to be deleted (character string data)
Number of characters to be deleted (BIN 16-bit data)
Deletion position (BIN 16-bit data)
ST Program Conversion Result
LD
LEN
-
RIGHT
-
AND<>
MOV
MIDW
Execution condition (Function is executed only when the result is TRUE)
Data to be deleted (character string data)
Number of characters to be deleted (BIN 16-bit data)
Deletion position (BIN 16-bit data)
Deletion result (character string data)
Description
Description
Used Instruction
SM400 LD,LEN,-,RIGHT,
w_Str1 AND<>,MOV,MIDW
D10238
w_Word1
D10238
w_Str1 w_Str2
D10238
w_Word2 K1
D10239
10239 K0
K1 D10238
w_Str1
w_Str2
D10238
Description
Description
*)
*)
*)
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