Arguments

number  (integer) the numerical value of the character to be written (to command line or file)
fileHandle  (file handle, optional) the file handle of an opened file; if omitted, output is sent to command line

Return

returns the number value

Example

(write-char 65)  A 65  writes the "A" character to command line
(write-char 65 fhandle)  65  writes the "A" character to the specified file

Remarks

the 0 character can only be written to a file, which is opened in "binary" mode, see (open) function