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GoFiler Legato Script Reference
Legato v 1.4j Application v 5.22b
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Chapter Five — General Functions (continued)
Overview
The Get8Word function retrieves a 8-bit byte or char from a buffer at a specified byte position.
Syntax/Parameters
Syntax
word = Get8Word ( buffer data, int position );
Parameters
data
A buffer as bytes, chars, string or a handle to a Data Object. This is referenced on a byte by byte position to read all bytes.
position
An int specifying a zero-based position in bytes. This should point to the start of the data for the word. If the position plus the size of the data element is outside of the scope of the buffer, a range error will be returned.
Return Value
Returns a word comprised of the data read or 0 on failure. Use the GetLastError function to retrieve error information.
Remarks
The Get8Word function allows a script to reach into a buffer, access a specific byte, and read it into an unsigned byte. It is up to the programmer to extend the sign as required. Use the GetLastError, IsError or IsNotError functions to differentiate between a return value of 0 and an error.
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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