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class method
Win32::Registry.expand_environ
expand_environ(str)
ext/win32/lib/win32/registry.rb
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# File tmp/rubies/ruby-3.2.0/ext/win32/lib/win32/registry.rb, line 373
def self.expand_environ(str)
str.gsub(Regexp.compile("%([^%]+)%".encode(str.encoding))) {
v = $1.encode(LOCALE)
(e = ENV[v] || ENV[v.upcase]; e.encode(str.encoding) if e) ||
$&
}
end
Replace %\w+% into the environment value of what is contained between the %‘s This method is used for REG_EXPAND_SZ.
For detail, see expandEnvironmentStrings Win32 API.