CR1000 Manual - Campbell Scientific

Section 7. Installation
7.8.13.4 Inserting String Characters
CRBasic Example 48.
Inserting String Characters
Objective:
Use MoveBytes() to change "123456789" to "123A56789"
Given:
Try (does not work):
Instead, use:
7.8.13.5 Extracting String Characters
StringVar(7) = "123456789"
"123456789"
StringVar(7,1,4) = "A"
"123A56789"
'Result is
'Result is
StringVar(7) = MoveBytes(Strings(7,1,4),0,"A",0,1) 'Result is
"123A56789"
A specific character in the string can be accessed by using the "dimensional"
syntax; that is, when the third dimension of a string is specified, the third
dimension is the character position.
Table 41. Extracting String Characters
Expression Comments Result
StringVar(3) = "Go Jazz" Loads string into variable StringVar(3) = "Go Jazz"
StringVar(4) = StringVar(3,1,4) Extracts single character StringVar(4) = "J"
7.8.13.6 String Use of ASCII / ANSII Codes
Table 42. Use of ASCII / ANSII Codes Examples
Expression Comments Result
LongVar (7) = ASCII("#") 35
LongVar (8) = ASCII("*") 42
LongVar (9) = "#"
LongVar (1) = "#"-""
Cannot be converted to Long with
NULL
Can be converted to Long without
NULL
NAN
35
239