Script Functions: It copies characters of a string.
STR_CUT(String, Start, [Length])
MID(String, Start, [Length])
SUBSTR(String, Start, [Length])
Syntax |
Description/Format |
---|---|
String |
An alphanumeric string. |
Start |
The start position for the part that should be copied. |
Length |
The number of characters that should be copied. |
Return code |
---|
A part of a string. |
These script functions all serve the same purpose. They copy characters from a given String. Length is an optional parameter - not specifying it means that all characters until the end of the String are returned.
The string itself remains unchanged.
In the first example, the script function returns "CD". The result of the second example is "CDEFGH" - all characters until the end of the string are included.
:SET &STRING# = MID("ABCDEFGH",3,2)
:SET &STRING# = SUBSTR("ABCDEFGH",3)
The following example uses the script function SUBSTR to split a user-defined term. The first three characters are assigned to the first script variable and the last character to the second script variable.
:READ &TABNAME#, "04", "Please specify table
name xxxy"
:SET &TABPRE# = SUBSTR(&TABNAME#,1,3)
:SET &TABSUF# = SUBSTR(&TABNAME#,4,1)
See also:
Script element | Description |
---|---|
It replaces characters or strings within a string. | |
STR_CAT | It combines two strings to a new string. |
About Scripts
Script Elements - Alphabetical Listing
Script Elements - Ordered by function