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How to use Ruby to replace text in a VC ++ resource file when the encoding is all messed up?

I have a simple managed VC ++ project in solution. It has a resource file app.rcthat is used to store assembly information (version, product, copyright, etc.). If I open the file in a text editor , it says that it is Unicode (UTF-16 LE BOM) . And Visual Studio displays it correctly if I select Unicode - Codepage 1200 .

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 0,0,0,0
 PRODUCTVERSION 0,0,0,0
 FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
 FILEFLAGS 0x1L
#else
 FILEFLAGS 0x0L
#endif
 FILEOS 0x40004L
 FILETYPE 0x2L
 FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "CompanyName", "My Company, LLC"
            VALUE "FileVersion", "0.0.0.0"
            VALUE "InternalName", "myassembly.dll"
            VALUE "LegalCopyright", "Copyright (C) 2011 My Company, LLC"
            VALUE "OriginalFilename", "myassembly.dll"
            VALUE "ProductName", "The Product"
            VALUE "ProductVersion", "0.0.0.0"
        END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 1200
    END
END

I use Ruby / Rake to configure and run local builds. Part of this assembly replaces the version in assembly resources. I read the gsubversion numbers in the file and write the file back. However, when I read in a file, I get garbage

irb(main):001:0> File.open("source\\myproject\\app.rc").read
=> "\xFF\xFE/\x00/\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00 \x00V\x00i\x00s\x
00u\x00a\x00l\x00 \x00C\x00+\x00+\x00 \x00g\x00e\x00n\x00e\x00r\x00a\x00t\x00e\x00d\x00 \x
00r\x00e\x00s\x00o\x00u\x00r\x00c\x00e\x00 \x00s\x00c\x00r\x00i\x00p\x00t\x00.\x00\n\x00\n
\x00/\x00/\x00\n\x00\n\x00#\x00i\x00n\x00c\x00l\x00u\x00d\x00e\x00 \x00\"\x00r\x00e\x00s\x

Ruby , IBM437.

irb(main):006:0> File.open("source\\myproject\\app.rc").external_encoding
=> #<Encoding:IBM437>

, ( , Unicode (UTF-16 BE BOM)).

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਀⼀⼀ഊ
਀⌀椀渀挀氀甀搀攀 ∀爀攀猀漀甀爀挀攀⸀栀∀ഊ
਀ഊ

/ ?

, , encodings.

irb(main):003:0> File.open("source\\myproject\\app.rc", "rb:UTF-16LE")
=> #<File:source\myproject\app.rc>

.

irb(main):003:0> c = File.open("source\\myproject\\app.rc", "rb:UTF-16LE").read
irb(main):007:0> c.gsub("0.0.0.0", "0.0.5.0")
Encoding::CompatibilityError: incompatible encoding regexp match (US-ASCII regexp with UTF-16LE string)

gsub. ?

+5
1

, , , - / UTF-16LE Ruby. , (t) Windows.

t. (, , ), Windows, .

,

irb(main):002:0> File.open("source\\myproject\\app.rc", "rt:UTF-16LE")
ArgumentError: ASCII incompatible encoding needs binmode

, binmode, - (b). , .

irb(main):003:0> File.open("source\\myproject\\app.rc", "rb:UTF-16LE")
=> #<File:source\myproject\app.rc>

! , (\n).

\r\n//\r\n\r\nVS_VERSION_INFO VERSIONINFO\r\n FILEVERSION 0,0,0,0\r\n PRODUCTVERSION 0,0,0
,0\r\n FILEFLAGSMASK 0x3fL\r\n#ifdef _DEBUG\r\n FILEFLAGS 0x1L\r\n#else\r\n FILEFLAGS 0x0L
\r\n#endif\r\n FILEOS 0x40004L\r\n FILETYPE 0x2L\r\n FILESUBTYPE 0x0L\r\nBEGIN\r\n    BLOC
K \"StringFileInfo\"\r\n    BEGIN\r\n        BLOCK \"040904b0\"\r\n        BEGIN\r\n

, , gsub, , .

irb(main):004:0> c.gsub("0.0.0.0","0.0.5.0")
Encoding::CompatibilityError: incompatible encoding regexp match (US-ASCII regexp with UTF-16LE string)

, gsub Regexp, . , ...

irb(main):005:0> c.gsub("0.0.0.0".encode("UTF-16LE"),"0.0.5.0".encode("UTF-16LE"))
=> myproduct.dll\"\r\n            VALUE \"ProductName\", \"My Product\"\r\n            VALU
E \"ProductVersion\", \"0.0.5.0\"\r\n        END\r\n    END\r\n    BLOCK \"VarFileInfo\"\r
\n    BEGIN\r\n        VALUE \"Translation\", 0x409, 1200\r\n    END\r\nEND\r\n\r\n#endif

, .

+5

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