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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

OpenSSL::Buffering#readchar

() -> ::String
readchar

Reads a one-character string from the stream. Raises an EOFError at end of file.

See also #readbyte #readline #read #readlines also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0