Reference/FileReadWord
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FileReadWord
handle user_var(output)
This function is only available when building a Unicode installer.
Reads a word (2-bytes) from a file opened with FileOpen. The word is stored in the output as an integer (0-65535). If the end of file is read and no more data is available, the output will be empty, and the error flag will be set.
ClearErrors FileOpen $0 $INSTDIR\file.dat r IfErrors done FileReadWord $0 $1 FileReadWord $0 $2 DetailPrint "$1 $2" FileClose $0 done: