Teledyne-lecroy Verification Script Engine (VSE) Manual Uživatelský manuál stáhnout pdf (Strana 94)

Teledyne LeCroy Verification Script Engine Reference Manual

Page 94 of 115

19.4 Write()

This function writes data to the file.

Format: Write(file_handle, value, num_of_bytes)

Parameters:

file_handle "handle" to the file previously opened by OpenFile()

value Data to write

num_of_bytes Optional parameter specifying how many bytes to take from the

value parameter (if omitted, length is calculated automatically

based on the value type)

Remarks:

This function is primarily for binary files. It can be used for text files only if the value parameter is a string of text.

In that case, it is equivalent to the WriteString() function and the num_of_bytes parameter is ignored.

Example:

…

set BinFile = 0;

…

BinFile = OpenFile("C:\\data.bin", 0, _FO_BINARY);

…

# Write a string to the binary file.

Write(BinFile, "All we need is love!!!");

# Write a substring ("All") to the binary file.

Write(BinFile, "All we need is love!!!", 3);

val = 0xBEEF;

Write(BinFile, val); # Writes integer = (EF BE 00 00) to the binary file.

Write(BinFile, val, 2); # Writes WORD = (EF BE) to the binary file.

# Write a byte chain to the binary file.

Write(BinFile, 'AABBCCDDEEFF12345678');

# Write a list of values to the binary file.

Write(BinFile, [ 0xAA, "USB", 12, 0xBEEF ]);

…

CloseFile(BinFile); # Closes the binary file.

…

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Teledyne-lecroy Verification Script Engine (VSE) Manual Uživatelský manuál Strana 94