lefta PowerHome formula function
Description
Obtains a specified number of bytes from the beginning (left side) of a string.
Syntax
lefta ( string, n )
| Argument | Description |
| string |
String containing the bytes you want to search. |
| n |
Integer . A number specifying the number of bytes you want to return. |
Return value
String. Returns the leftmost n bytes in string if it succeeds and the empty string ("") if an error occurs.
If n is greater than or equal to the length of the string, LeftA returns the entire string. It does not add spaces to make the return value's length equal to n.
Examples
The following examples demonstrate typical syntax/ usage for this function.
• lefta("[LOCAL1]",10) --> get the first 10 bytes from the string.
• if( lefta( "[LOCAL1]", 12 ) =
"HTTP/1.1 404", "ERROR", "Nextline")